<!DOCTYPE html>

<html>
<head>
<meta content="text/html; charset=UTF-8" http-equiv="Content-Type">

<title>class ActiveRecord::ConnectionAdapters::AbstractMysqlAdapter - Rails Framework Documentation</title>

<link type="text/css" media="screen" href="../../rdoc.css" rel="stylesheet">

<script type="text/javascript">
  var rdoc_rel_prefix = "../../";
</script>

<script type="text/javascript" charset="utf-8" src="../../js/jquery.js"></script>
<script type="text/javascript" charset="utf-8" src="../../js/navigation.js"></script>
<script type="text/javascript" charset="utf-8" src="../../js/search_index.js"></script>
<script type="text/javascript" charset="utf-8" src="../../js/search.js"></script>
<script type="text/javascript" charset="utf-8" src="../../js/searcher.js"></script>
<script type="text/javascript" charset="utf-8" src="../../js/darkfish.js"></script>


<body id="top" class="class">
<nav id="metadata">
  <nav id="home-section" class="section">
  <h3 class="section-header">
    <a href="../../index.html">Home</a>
    <a href="../../table_of_contents.html#classes">Classes</a>
    <a href="../../table_of_contents.html#methods">Methods</a>
  </h3>
</nav>


  <nav id="search-section" class="section project-section" class="initially-hidden">
  <form action="#" method="get" accept-charset="utf-8">
    <h3 class="section-header">
      <input type="text" name="search" placeholder="Search" id="search-field"
             title="Type to search, Up and Down to navigate, Enter to load">
    </h3>
  </form>

  <ul id="search-results" class="initially-hidden"></ul>
</nav>


  <div id="file-metadata">
    <nav id="file-list-section" class="section">
  <h3 class="section-header">Defined In</h3>
  <ul>
    <li>/usr/local/lib/ruby/gems/1.9.1/gems/activerecord-3.2.7/lib/active_record/connection_adapters/abstract_mysql_adapter.rb
  </ul>
</nav>

    
  </div>

  <div id="class-metadata">
    
    <nav id="parent-class-section" class="section">
  <h3 class="section-header">Parent</h3>
  
  <p class="link">AbstractAdapter
  
</nav>

    
    <!-- Method Quickref -->
<nav id="method-list-section" class="section">
  <h3 class="section-header">Methods</h3>

  <ul class="link-list">
    
    <li><a href="#method-c-emulate_booleans">::emulate_booleans</a>
    
    <li><a href="#method-c-new">::new</a>
    
    <li><a href="#method-i-add_column">#add_column</a>
    
    <li><a href="#method-i-add_column_position-21">#add_column_position!</a>
    
    <li><a href="#method-i-add_column_sql">#add_column_sql</a>
    
    <li><a href="#method-i-add_index_length">#add_index_length</a>
    
    <li><a href="#method-i-add_index_sql">#add_index_sql</a>
    
    <li><a href="#method-i-add_timestamps_sql">#add_timestamps_sql</a>
    
    <li><a href="#method-i-begin_db_transaction">#begin_db_transaction</a>
    
    <li><a href="#method-i-case_insensitive_comparison">#case_insensitive_comparison</a>
    
    <li><a href="#method-i-case_sensitive_modifier">#case_sensitive_modifier</a>
    
    <li><a href="#method-i-change_column_default">#change_column_default</a>
    
    <li><a href="#method-i-change_column_null">#change_column_null</a>
    
    <li><a href="#method-i-change_column_sql">#change_column_sql</a>
    
    <li><a href="#method-i-charset">#charset</a>
    
    <li><a href="#method-i-collation">#collation</a>
    
    <li><a href="#method-i-create_database">#create_database</a>
    
    <li><a href="#method-i-create_savepoint">#create_savepoint</a>
    
    <li><a href="#method-i-current_database">#current_database</a>
    
    <li><a href="#method-i-execute">#execute</a>
    
    <li><a href="#method-i-limited_update_conditions">#limited_update_conditions</a>
    
    <li><a href="#method-i-native_database_types">#native_database_types</a>
    
    <li><a href="#method-i-pk_and_sequence_for">#pk_and_sequence_for</a>
    
    <li><a href="#method-i-primary_key">#primary_key</a>
    
    <li><a href="#method-i-quote">#quote</a>
    
    <li><a href="#method-i-quoted_columns_for_index">#quoted_columns_for_index</a>
    
    <li><a href="#method-i-quoted_false">#quoted_false</a>
    
    <li><a href="#method-i-quoted_true">#quoted_true</a>
    
    <li><a href="#method-i-recreate_database">#recreate_database</a>
    
    <li><a href="#method-i-release_savepoint">#release_savepoint</a>
    
    <li><a href="#method-i-remove_column_sql">#remove_column_sql</a>
    
    <li><a href="#method-i-remove_index_sql">#remove_index_sql</a>
    
    <li><a href="#method-i-remove_timestamps_sql">#remove_timestamps_sql</a>
    
    <li><a href="#method-i-rename_column_sql">#rename_column_sql</a>
    
    <li><a href="#method-i-rename_table">#rename_table</a>
    
    <li><a href="#method-i-rollback_to_savepoint">#rollback_to_savepoint</a>
    
    <li><a href="#method-i-show_variable">#show_variable</a>
    
    <li><a href="#method-i-supports_index_sort_order-3F">#supports_index_sort_order?</a>
    
    <li><a href="#method-i-supports_migrations-3F">#supports_migrations?</a>
    
    <li><a href="#method-i-supports_primary_key-3F">#supports_primary_key?</a>
    
    <li><a href="#method-i-supports_savepoints-3F">#supports_savepoints?</a>
    
    <li><a href="#method-i-table_exists-3F">#table_exists?</a>
    
    <li><a href="#method-i-translate_exception">#translate_exception</a>
    
    <li><a href="#method-i-type_to_sql">#type_to_sql</a>
    
  </ul>
</nav>

  </div>

  <div id="project-metadata">
    <nav id="fileindex-section" class="section project-section">
  <h3 class="section-header">Pages</h3>

  <ul>
  
    <li class="file"><a href="../..//usr/local/lib/ruby/gems/1_9_1/gems/actionmailer-3_2_7/MIT-LICENSE.html">MIT-LICENSE</a>
  
    <li class="file"><a href="../..//usr/local/lib/ruby/gems/1_9_1/gems/actionmailer-3_2_7/README_rdoc.html">README</a>
  
    <li class="file"><a href="../..//usr/local/lib/ruby/gems/1_9_1/gems/actionpack-3_2_7/MIT-LICENSE.html">MIT-LICENSE</a>
  
    <li class="file"><a href="../..//usr/local/lib/ruby/gems/1_9_1/gems/actionpack-3_2_7/README_rdoc.html">README</a>
  
    <li class="file"><a href="../..//usr/local/lib/ruby/gems/1_9_1/gems/activemodel-3_2_7/MIT-LICENSE.html">MIT-LICENSE</a>
  
    <li class="file"><a href="../..//usr/local/lib/ruby/gems/1_9_1/gems/activemodel-3_2_7/README_rdoc.html">README</a>
  
    <li class="file"><a href="../..//usr/local/lib/ruby/gems/1_9_1/gems/activerecord-3_2_7/README_rdoc.html">README</a>
  
    <li class="file"><a href="../..//usr/local/lib/ruby/gems/1_9_1/gems/activeresource-3_2_7/README_rdoc.html">README</a>
  
    <li class="file"><a href="../..//usr/local/lib/ruby/gems/1_9_1/gems/activesupport-3_2_7/README_rdoc.html">README</a>
  
    <li class="file"><a href="../..//usr/local/lib/ruby/gems/1_9_1/gems/railties-3_2_7/README_rdoc.html">README</a>
  
    <li class="file"><a href="../../README_rdoc.html">README</a>
  
  </ul>
</nav>

    <nav id="classindex-section" class="section project-section">
  <h3 class="section-header">Class and Module Index</h3>

  <ul class="link-list">
  
    <li><a href="../../ActiveRecord.html">ActiveRecord</a>
  
    <li><a href="../../ActiveRecord/ActiveRecordError.html">ActiveRecord::ActiveRecordError</a>
  
    <li><a href="../../ActiveRecord/AdapterNotFound.html">ActiveRecord::AdapterNotFound</a>
  
    <li><a href="../../ActiveRecord/AdapterNotSpecified.html">ActiveRecord::AdapterNotSpecified</a>
  
    <li><a href="../../ActiveRecord/Aggregations.html">ActiveRecord::Aggregations</a>
  
    <li><a href="../../ActiveRecord/Aggregations/ClassMethods.html">ActiveRecord::Aggregations::ClassMethods</a>
  
    <li><a href="../../ActiveRecord/AssociationTypeMismatch.html">ActiveRecord::AssociationTypeMismatch</a>
  
    <li><a href="../../ActiveRecord/Associations.html">ActiveRecord::Associations</a>
  
    <li><a href="../../ActiveRecord/Associations/ClassMethods.html">ActiveRecord::Associations::ClassMethods</a>
  
    <li><a href="../../ActiveRecord/AttributeAssignment.html">ActiveRecord::AttributeAssignment</a>
  
    <li><a href="../../ActiveRecord/AttributeAssignment/ClassMethods.html">ActiveRecord::AttributeAssignment::ClassMethods</a>
  
    <li><a href="../../ActiveRecord/AttributeAssignmentError.html">ActiveRecord::AttributeAssignmentError</a>
  
    <li><a href="../../ActiveRecord/AttributeMethods.html">ActiveRecord::AttributeMethods</a>
  
    <li><a href="../../ActiveRecord/AttributeMethods/BeforeTypeCast.html">ActiveRecord::AttributeMethods::BeforeTypeCast</a>
  
    <li><a href="../../ActiveRecord/AttributeMethods/ClassMethods.html">ActiveRecord::AttributeMethods::ClassMethods</a>
  
    <li><a href="../../ActiveRecord/AttributeMethods/DeprecatedUnderscoreRead.html">ActiveRecord::AttributeMethods::DeprecatedUnderscoreRead</a>
  
    <li><a href="../../ActiveRecord/AttributeMethods/DeprecatedUnderscoreRead/ClassMethods.html">ActiveRecord::AttributeMethods::DeprecatedUnderscoreRead::ClassMethods</a>
  
    <li><a href="../../ActiveRecord/AttributeMethods/Dirty.html">ActiveRecord::AttributeMethods::Dirty</a>
  
    <li><a href="../../ActiveRecord/AttributeMethods/PrimaryKey.html">ActiveRecord::AttributeMethods::PrimaryKey</a>
  
    <li><a href="../../ActiveRecord/AttributeMethods/PrimaryKey/ClassMethods.html">ActiveRecord::AttributeMethods::PrimaryKey::ClassMethods</a>
  
    <li><a href="../../ActiveRecord/AttributeMethods/Query.html">ActiveRecord::AttributeMethods::Query</a>
  
    <li><a href="../../ActiveRecord/AttributeMethods/Read.html">ActiveRecord::AttributeMethods::Read</a>
  
    <li><a href="../../ActiveRecord/AttributeMethods/Read/ClassMethods.html">ActiveRecord::AttributeMethods::Read::ClassMethods</a>
  
    <li><a href="../../ActiveRecord/AttributeMethods/Serialization.html">ActiveRecord::AttributeMethods::Serialization</a>
  
    <li><a href="../../ActiveRecord/AttributeMethods/Serialization/Attribute.html">ActiveRecord::AttributeMethods::Serialization::Attribute</a>
  
    <li><a href="../../ActiveRecord/AttributeMethods/Serialization/ClassMethods.html">ActiveRecord::AttributeMethods::Serialization::ClassMethods</a>
  
    <li><a href="../../ActiveRecord/AttributeMethods/TimeZoneConversion.html">ActiveRecord::AttributeMethods::TimeZoneConversion</a>
  
    <li><a href="../../ActiveRecord/AttributeMethods/TimeZoneConversion/ClassMethods.html">ActiveRecord::AttributeMethods::TimeZoneConversion::ClassMethods</a>
  
    <li><a href="../../ActiveRecord/AttributeMethods/Write.html">ActiveRecord::AttributeMethods::Write</a>
  
    <li><a href="../../ActiveRecord/AttributeMethods/Write/ClassMethods.html">ActiveRecord::AttributeMethods::Write::ClassMethods</a>
  
    <li><a href="../../ActiveRecord/AutosaveAssociation.html">ActiveRecord::AutosaveAssociation</a>
  
    <li><a href="../../ActiveRecord/AutosaveAssociation/ClassMethods.html">ActiveRecord::AutosaveAssociation::ClassMethods</a>
  
    <li><a href="../../ActiveRecord/Base.html">ActiveRecord::Base</a>
  
    <li><a href="../../ActiveRecord/Batches.html">ActiveRecord::Batches</a>
  
    <li><a href="../../ActiveRecord/Calculations.html">ActiveRecord::Calculations</a>
  
    <li><a href="../../ActiveRecord/Callbacks.html">ActiveRecord::Callbacks</a>
  
    <li><a href="../../ActiveRecord/ConfigurationError.html">ActiveRecord::ConfigurationError</a>
  
    <li><a href="../../ActiveRecord/ConnectionAdapters/AbstractAdapter.html">ActiveRecord::ConnectionAdapters::AbstractAdapter</a>
  
    <li><a href="../../ActiveRecord/ConnectionAdapters/AbstractMysqlAdapter.html">ActiveRecord::ConnectionAdapters::AbstractMysqlAdapter</a>
  
    <li><a href="../../ActiveRecord/ConnectionAdapters/ConnectionHandler.html">ActiveRecord::ConnectionAdapters::ConnectionHandler</a>
  
    <li><a href="../../ActiveRecord/ConnectionAdapters/ConnectionManagement.html">ActiveRecord::ConnectionAdapters::ConnectionManagement</a>
  
    <li><a href="../../ActiveRecord/ConnectionAdapters/ConnectionPool.html">ActiveRecord::ConnectionAdapters::ConnectionPool</a>
  
    <li><a href="../../ActiveRecord/ConnectionAdapters/DatabaseLimits.html">ActiveRecord::ConnectionAdapters::DatabaseLimits</a>
  
    <li><a href="../../ActiveRecord/ConnectionAdapters/DatabaseStatements.html">ActiveRecord::ConnectionAdapters::DatabaseStatements</a>
  
    <li><a href="../../ActiveRecord/ConnectionAdapters/Mysql2Adapter.html">ActiveRecord::ConnectionAdapters::Mysql2Adapter</a>
  
    <li><a href="../../ActiveRecord/ConnectionAdapters/MysqlAdapter.html">ActiveRecord::ConnectionAdapters::MysqlAdapter</a>
  
    <li><a href="../../ActiveRecord/ConnectionAdapters/MysqlAdapter/StatementPool.html">ActiveRecord::ConnectionAdapters::MysqlAdapter::StatementPool</a>
  
    <li><a href="../../ActiveRecord/ConnectionAdapters/PostgreSQLAdapter.html">ActiveRecord::ConnectionAdapters::PostgreSQLAdapter</a>
  
    <li><a href="../../ActiveRecord/ConnectionAdapters/PostgreSQLAdapter/StatementPool.html">ActiveRecord::ConnectionAdapters::PostgreSQLAdapter::StatementPool</a>
  
    <li><a href="../../ActiveRecord/ConnectionAdapters/PostgreSQLAdapter/TableDefinition.html">ActiveRecord::ConnectionAdapters::PostgreSQLAdapter::TableDefinition</a>
  
    <li><a href="../../ActiveRecord/ConnectionAdapters/PostgreSQLAdapter/Utils.html">ActiveRecord::ConnectionAdapters::PostgreSQLAdapter::Utils</a>
  
    <li><a href="../../ActiveRecord/ConnectionAdapters/PostgreSQLColumn.html">ActiveRecord::ConnectionAdapters::PostgreSQLColumn</a>
  
    <li><a href="../../ActiveRecord/ConnectionAdapters/QueryCache.html">ActiveRecord::ConnectionAdapters::QueryCache</a>
  
    <li><a href="../../ActiveRecord/ConnectionAdapters/Quoting.html">ActiveRecord::ConnectionAdapters::Quoting</a>
  
    <li><a href="../../ActiveRecord/ConnectionAdapters/SQLiteAdapter.html">ActiveRecord::ConnectionAdapters::SQLiteAdapter</a>
  
    <li><a href="../../ActiveRecord/ConnectionAdapters/SQLiteAdapter/ExplainPrettyPrinter.html">ActiveRecord::ConnectionAdapters::SQLiteAdapter::ExplainPrettyPrinter</a>
  
    <li><a href="../../ActiveRecord/ConnectionAdapters/SQLiteAdapter/StatementPool.html">ActiveRecord::ConnectionAdapters::SQLiteAdapter::StatementPool</a>
  
    <li><a href="../../ActiveRecord/ConnectionAdapters/SQLiteAdapter/Version.html">ActiveRecord::ConnectionAdapters::SQLiteAdapter::Version</a>
  
    <li><a href="../../ActiveRecord/ConnectionAdapters/SchemaCache.html">ActiveRecord::ConnectionAdapters::SchemaCache</a>
  
    <li><a href="../../ActiveRecord/ConnectionAdapters/SchemaStatements.html">ActiveRecord::ConnectionAdapters::SchemaStatements</a>
  
    <li><a href="../../ActiveRecord/ConnectionAdapters/StatementPool.html">ActiveRecord::ConnectionAdapters::StatementPool</a>
  
    <li><a href="../../ActiveRecord/ConnectionAdapters/Table.html">ActiveRecord::ConnectionAdapters::Table</a>
  
    <li><a href="../../ActiveRecord/ConnectionAdapters/TableDefinition.html">ActiveRecord::ConnectionAdapters::TableDefinition</a>
  
    <li><a href="../../ActiveRecord/ConnectionNotEstablished.html">ActiveRecord::ConnectionNotEstablished</a>
  
    <li><a href="../../ActiveRecord/ConnectionTimeoutError.html">ActiveRecord::ConnectionTimeoutError</a>
  
    <li><a href="../../ActiveRecord/CounterCache.html">ActiveRecord::CounterCache</a>
  
    <li><a href="../../ActiveRecord/DangerousAttributeError.html">ActiveRecord::DangerousAttributeError</a>
  
    <li><a href="../../ActiveRecord/Delegation.html">ActiveRecord::Delegation</a>
  
    <li><a href="../../ActiveRecord/DynamicFinderMatch.html">ActiveRecord::DynamicFinderMatch</a>
  
    <li><a href="../../ActiveRecord/DynamicMatchers.html">ActiveRecord::DynamicMatchers</a>
  
    <li><a href="../../ActiveRecord/DynamicScopeMatch.html">ActiveRecord::DynamicScopeMatch</a>
  
    <li><a href="../../ActiveRecord/Explain.html">ActiveRecord::Explain</a>
  
    <li><a href="../../ActiveRecord/FinderMethods.html">ActiveRecord::FinderMethods</a>
  
    <li><a href="../../ActiveRecord/Fixtures.html">ActiveRecord::Fixtures</a>
  
    <li><a href="../../ActiveRecord/Fixtures/File.html">ActiveRecord::Fixtures::File</a>
  
    <li><a href="../../ActiveRecord/IdentityMap.html">ActiveRecord::IdentityMap</a>
  
    <li><a href="../../ActiveRecord/IdentityMap/Middleware.html">ActiveRecord::IdentityMap::Middleware</a>
  
    <li><a href="../../ActiveRecord/Inheritance.html">ActiveRecord::Inheritance</a>
  
    <li><a href="../../ActiveRecord/Inheritance/ClassMethods.html">ActiveRecord::Inheritance::ClassMethods</a>
  
    <li><a href="../../ActiveRecord/Integration.html">ActiveRecord::Integration</a>
  
    <li><a href="../../ActiveRecord/InvalidForeignKey.html">ActiveRecord::InvalidForeignKey</a>
  
    <li><a href="../../ActiveRecord/IrreversibleMigration.html">ActiveRecord::IrreversibleMigration</a>
  
    <li><a href="../../ActiveRecord/Locking.html">ActiveRecord::Locking</a>
  
    <li><a href="../../ActiveRecord/Locking/Optimistic.html">ActiveRecord::Locking::Optimistic</a>
  
    <li><a href="../../ActiveRecord/Locking/Optimistic/ClassMethods.html">ActiveRecord::Locking::Optimistic::ClassMethods</a>
  
    <li><a href="../../ActiveRecord/Locking/Pessimistic.html">ActiveRecord::Locking::Pessimistic</a>
  
    <li><a href="../../ActiveRecord/LogSubscriber.html">ActiveRecord::LogSubscriber</a>
  
    <li><a href="../../ActiveRecord/Migration.html">ActiveRecord::Migration</a>
  
    <li><a href="../../ActiveRecord/Migration/CommandRecorder.html">ActiveRecord::Migration::CommandRecorder</a>
  
    <li><a href="../../ActiveRecord/MigrationProxy.html">ActiveRecord::MigrationProxy</a>
  
    <li><a href="../../ActiveRecord/ModelSchema.html">ActiveRecord::ModelSchema</a>
  
    <li><a href="../../ActiveRecord/ModelSchema/ClassMethods.html">ActiveRecord::ModelSchema::ClassMethods</a>
  
    <li><a href="../../ActiveRecord/MultiparameterAssignmentErrors.html">ActiveRecord::MultiparameterAssignmentErrors</a>
  
    <li><a href="../../ActiveRecord/NestedAttributes.html">ActiveRecord::NestedAttributes</a>
  
    <li><a href="../../ActiveRecord/NestedAttributes/ClassMethods.html">ActiveRecord::NestedAttributes::ClassMethods</a>
  
    <li><a href="../../ActiveRecord/NestedAttributes/TooManyRecords.html">ActiveRecord::NestedAttributes::TooManyRecords</a>
  
    <li><a href="../../ActiveRecord/Observer.html">ActiveRecord::Observer</a>
  
    <li><a href="../../ActiveRecord/Persistence.html">ActiveRecord::Persistence</a>
  
    <li><a href="../../ActiveRecord/Persistence/ClassMethods.html">ActiveRecord::Persistence::ClassMethods</a>
  
    <li><a href="../../ActiveRecord/PreparedStatementInvalid.html">ActiveRecord::PreparedStatementInvalid</a>
  
    <li><a href="../../ActiveRecord/QueryCache.html">ActiveRecord::QueryCache</a>
  
    <li><a href="../../ActiveRecord/QueryCache/ClassMethods.html">ActiveRecord::QueryCache::ClassMethods</a>
  
    <li><a href="../../ActiveRecord/QueryMethods.html">ActiveRecord::QueryMethods</a>
  
    <li><a href="../../ActiveRecord/Querying.html">ActiveRecord::Querying</a>
  
    <li><a href="../../ActiveRecord/Railtie.html">ActiveRecord::Railtie</a>
  
    <li><a href="../../ActiveRecord/Railties.html">ActiveRecord::Railties</a>
  
    <li><a href="../../ActiveRecord/Railties/ControllerRuntime.html">ActiveRecord::Railties::ControllerRuntime</a>
  
    <li><a href="../../ActiveRecord/Railties/ControllerRuntime/ClassMethods.html">ActiveRecord::Railties::ControllerRuntime::ClassMethods</a>
  
    <li><a href="../../ActiveRecord/ReadOnlyRecord.html">ActiveRecord::ReadOnlyRecord</a>
  
    <li><a href="../../ActiveRecord/ReadonlyAttributes.html">ActiveRecord::ReadonlyAttributes</a>
  
    <li><a href="../../ActiveRecord/ReadonlyAttributes/ClassMethods.html">ActiveRecord::ReadonlyAttributes::ClassMethods</a>
  
    <li><a href="../../ActiveRecord/RecordInvalid.html">ActiveRecord::RecordInvalid</a>
  
    <li><a href="../../ActiveRecord/RecordNotFound.html">ActiveRecord::RecordNotFound</a>
  
    <li><a href="../../ActiveRecord/RecordNotSaved.html">ActiveRecord::RecordNotSaved</a>
  
    <li><a href="../../ActiveRecord/RecordNotUnique.html">ActiveRecord::RecordNotUnique</a>
  
    <li><a href="../../ActiveRecord/Reflection.html">ActiveRecord::Reflection</a>
  
    <li><a href="../../ActiveRecord/Reflection/ClassMethods.html">ActiveRecord::Reflection::ClassMethods</a>
  
    <li><a href="../../ActiveRecord/Reflection/MacroReflection.html">ActiveRecord::Reflection::MacroReflection</a>
  
    <li><a href="../../ActiveRecord/Relation.html">ActiveRecord::Relation</a>
  
    <li><a href="../../ActiveRecord/Result.html">ActiveRecord::Result</a>
  
    <li><a href="../../ActiveRecord/Rollback.html">ActiveRecord::Rollback</a>
  
    <li><a href="../../ActiveRecord/Sanitization.html">ActiveRecord::Sanitization</a>
  
    <li><a href="../../ActiveRecord/Sanitization/ClassMethods.html">ActiveRecord::Sanitization::ClassMethods</a>
  
    <li><a href="../../ActiveRecord/Schema.html">ActiveRecord::Schema</a>
  
    <li><a href="../../ActiveRecord/Scoping.html">ActiveRecord::Scoping</a>
  
    <li><a href="../../ActiveRecord/Scoping/ClassMethods.html">ActiveRecord::Scoping::ClassMethods</a>
  
    <li><a href="../../ActiveRecord/Scoping/Default.html">ActiveRecord::Scoping::Default</a>
  
    <li><a href="../../ActiveRecord/Scoping/Default/ClassMethods.html">ActiveRecord::Scoping::Default::ClassMethods</a>
  
    <li><a href="../../ActiveRecord/Scoping/Named.html">ActiveRecord::Scoping::Named</a>
  
    <li><a href="../../ActiveRecord/Scoping/Named/ClassMethods.html">ActiveRecord::Scoping::Named::ClassMethods</a>
  
    <li><a href="../../ActiveRecord/Serialization.html">ActiveRecord::Serialization</a>
  
    <li><a href="../../ActiveRecord/SerializationTypeMismatch.html">ActiveRecord::SerializationTypeMismatch</a>
  
    <li><a href="../../ActiveRecord/SessionStore.html">ActiveRecord::SessionStore</a>
  
    <li><a href="../../ActiveRecord/SessionStore/Session.html">ActiveRecord::SessionStore::Session</a>
  
    <li><a href="../../ActiveRecord/SessionStore/SqlBypass.html">ActiveRecord::SessionStore::SqlBypass</a>
  
    <li><a href="../../ActiveRecord/SpawnMethods.html">ActiveRecord::SpawnMethods</a>
  
    <li><a href="../../ActiveRecord/StaleObjectError.html">ActiveRecord::StaleObjectError</a>
  
    <li><a href="../../ActiveRecord/StatementInvalid.html">ActiveRecord::StatementInvalid</a>
  
    <li><a href="../../ActiveRecord/Store.html">ActiveRecord::Store</a>
  
    <li><a href="../../ActiveRecord/Store/ClassMethods.html">ActiveRecord::Store::ClassMethods</a>
  
    <li><a href="../../ActiveRecord/TestFixtures.html">ActiveRecord::TestFixtures</a>
  
    <li><a href="../../ActiveRecord/TestFixtures/ClassMethods.html">ActiveRecord::TestFixtures::ClassMethods</a>
  
    <li><a href="../../ActiveRecord/ThrowResult.html">ActiveRecord::ThrowResult</a>
  
    <li><a href="../../ActiveRecord/Timestamp.html">ActiveRecord::Timestamp</a>
  
    <li><a href="../../ActiveRecord/Transactions.html">ActiveRecord::Transactions</a>
  
    <li><a href="../../ActiveRecord/Transactions/ClassMethods.html">ActiveRecord::Transactions::ClassMethods</a>
  
    <li><a href="../../ActiveRecord/Translation.html">ActiveRecord::Translation</a>
  
    <li><a href="../../ActiveRecord/UnknownAttributeError.html">ActiveRecord::UnknownAttributeError</a>
  
    <li><a href="../../ActiveRecord/UnknownPrimaryKey.html">ActiveRecord::UnknownPrimaryKey</a>
  
    <li><a href="../../ActiveRecord/Validations.html">ActiveRecord::Validations</a>
  
    <li><a href="../../ActiveRecord/Validations/AssociatedValidator.html">ActiveRecord::Validations::AssociatedValidator</a>
  
    <li><a href="../../ActiveRecord/Validations/ClassMethods.html">ActiveRecord::Validations::ClassMethods</a>
  
    <li><a href="../../ActiveRecord/Validations/UniquenessValidator.html">ActiveRecord::Validations::UniquenessValidator</a>
  
    <li><a href="../../ActiveRecord/WrappedDatabaseException.html">ActiveRecord::WrappedDatabaseException</a>
  
    <li><a href="../../ActiveSupport.html">ActiveSupport</a>
  
    <li><a href="../../ActiveSupport/Autoload.html">ActiveSupport::Autoload</a>
  
    <li><a href="../../ActiveSupport/BacktraceCleaner.html">ActiveSupport::BacktraceCleaner</a>
  
    <li><a href="../../ActiveSupport/Base64.html">ActiveSupport::Base64</a>
  
    <li><a href="../../ActiveSupport/BasicObject.html">ActiveSupport::BasicObject</a>
  
    <li><a href="../../ActiveSupport/Benchmarkable.html">ActiveSupport::Benchmarkable</a>
  
    <li><a href="../../ActiveSupport/BufferedLogger.html">ActiveSupport::BufferedLogger</a>
  
    <li><a href="../../ActiveSupport/BufferedLogger/Severity.html">ActiveSupport::BufferedLogger::Severity</a>
  
    <li><a href="../../ActiveSupport/Cache.html">ActiveSupport::Cache</a>
  
    <li><a href="../../ActiveSupport/Cache/Entry.html">ActiveSupport::Cache::Entry</a>
  
    <li><a href="../../ActiveSupport/Cache/FileStore.html">ActiveSupport::Cache::FileStore</a>
  
    <li><a href="../../ActiveSupport/Cache/MemCacheStore.html">ActiveSupport::Cache::MemCacheStore</a>
  
    <li><a href="../../ActiveSupport/Cache/MemoryStore.html">ActiveSupport::Cache::MemoryStore</a>
  
    <li><a href="../../ActiveSupport/Cache/NullStore.html">ActiveSupport::Cache::NullStore</a>
  
    <li><a href="../../ActiveSupport/Cache/Store.html">ActiveSupport::Cache::Store</a>
  
    <li><a href="../../ActiveSupport/Cache/Strategy.html">ActiveSupport::Cache::Strategy</a>
  
    <li><a href="../../ActiveSupport/Cache/Strategy/LocalCache.html">ActiveSupport::Cache::Strategy::LocalCache</a>
  
    <li><a href="../../ActiveSupport/Cache/Strategy/LocalCache/LocalStore.html">ActiveSupport::Cache::Strategy::LocalCache::LocalStore</a>
  
    <li><a href="../../ActiveSupport/Callbacks.html">ActiveSupport::Callbacks</a>
  
    <li><a href="../../ActiveSupport/Callbacks/ClassMethods.html">ActiveSupport::Callbacks::ClassMethods</a>
  
    <li><a href="../../ActiveSupport/Concern.html">ActiveSupport::Concern</a>
  
    <li><a href="../../ActiveSupport/Configurable.html">ActiveSupport::Configurable</a>
  
    <li><a href="../../ActiveSupport/Configurable/ClassMethods.html">ActiveSupport::Configurable::ClassMethods</a>
  
    <li><a href="../../ActiveSupport/Configurable/Configuration.html">ActiveSupport::Configurable::Configuration</a>
  
    <li><a href="../../ActiveSupport/Dependencies.html">ActiveSupport::Dependencies</a>
  
    <li><a href="../../ActiveSupport/Dependencies/ClassCache.html">ActiveSupport::Dependencies::ClassCache</a>
  
    <li><a href="../../ActiveSupport/Dependencies/WatchStack.html">ActiveSupport::Dependencies::WatchStack</a>
  
    <li><a href="../../ActiveSupport/Deprecation.html">ActiveSupport::Deprecation</a>
  
    <li><a href="../../ActiveSupport/DescendantsTracker.html">ActiveSupport::DescendantsTracker</a>
  
    <li><a href="../../ActiveSupport/Duration.html">ActiveSupport::Duration</a>
  
    <li><a href="../../ActiveSupport/FileUpdateChecker.html">ActiveSupport::FileUpdateChecker</a>
  
    <li><a href="../../ActiveSupport/FileWatcher.html">ActiveSupport::FileWatcher</a>
  
    <li><a href="../../ActiveSupport/FileWatcher/Backend.html">ActiveSupport::FileWatcher::Backend</a>
  
    <li><a href="../../ActiveSupport/Gzip.html">ActiveSupport::Gzip</a>
  
    <li><a href="../../ActiveSupport/Gzip/Stream.html">ActiveSupport::Gzip::Stream</a>
  
    <li><a href="../../ActiveSupport/HashWithIndifferentAccess.html">ActiveSupport::HashWithIndifferentAccess</a>
  
    <li><a href="../../ActiveSupport/HashWithIndifferentAccess.html">ActiveSupport::HashWithIndifferentAccess</a>
  
    <li><a href="../../ActiveSupport/Inflector.html">ActiveSupport::Inflector</a>
  
    <li><a href="../../ActiveSupport/Inflector/Inflections.html">ActiveSupport::Inflector::Inflections</a>
  
    <li><a href="../../ActiveSupport/InheritableOptions.html">ActiveSupport::InheritableOptions</a>
  
    <li><a href="../../ActiveSupport/JSON.html">ActiveSupport::JSON</a>
  
    <li><a href="../../ActiveSupport/JSON/Encoding.html">ActiveSupport::JSON::Encoding</a>
  
    <li><a href="../../ActiveSupport/JSON/Encoding/CircularReferenceError.html">ActiveSupport::JSON::Encoding::CircularReferenceError</a>
  
    <li><a href="../../ActiveSupport/JSON/Encoding/Encoder.html">ActiveSupport::JSON::Encoding::Encoder</a>
  
    <li><a href="../../ActiveSupport/JSON/Variable.html">ActiveSupport::JSON::Variable</a>
  
    <li><a href="../../ActiveSupport/LogSubscriber.html">ActiveSupport::LogSubscriber</a>
  
    <li><a href="../../ActiveSupport/LogSubscriber/TestHelper.html">ActiveSupport::LogSubscriber::TestHelper</a>
  
    <li><a href="../../ActiveSupport/LogSubscriber/TestHelper/MockLogger.html">ActiveSupport::LogSubscriber::TestHelper::MockLogger</a>
  
    <li><a href="../../ActiveSupport/Memoizable.html">ActiveSupport::Memoizable</a>
  
    <li><a href="../../ActiveSupport/Memoizable/InstanceMethods.html">ActiveSupport::Memoizable::InstanceMethods</a>
  
    <li><a href="../../ActiveSupport/MessageEncryptor.html">ActiveSupport::MessageEncryptor</a>
  
    <li><a href="../../ActiveSupport/MessageEncryptor/InvalidMessage.html">ActiveSupport::MessageEncryptor::InvalidMessage</a>
  
    <li><a href="../../ActiveSupport/MessageVerifier.html">ActiveSupport::MessageVerifier</a>
  
    <li><a href="../../ActiveSupport/MessageVerifier/InvalidSignature.html">ActiveSupport::MessageVerifier::InvalidSignature</a>
  
    <li><a href="../../ActiveSupport/Multibyte.html">ActiveSupport::Multibyte</a>
  
    <li><a href="../../ActiveSupport/Multibyte/Chars.html">ActiveSupport::Multibyte::Chars</a>
  
    <li><a href="../../ActiveSupport/Multibyte/EncodingError.html">ActiveSupport::Multibyte::EncodingError</a>
  
    <li><a href="../../ActiveSupport/Multibyte/Unicode.html">ActiveSupport::Multibyte::Unicode</a>
  
    <li><a href="../../ActiveSupport/Multibyte/Unicode/Codepoint.html">ActiveSupport::Multibyte::Unicode::Codepoint</a>
  
    <li><a href="../../ActiveSupport/Multibyte/Unicode/UnicodeDatabase.html">ActiveSupport::Multibyte::Unicode::UnicodeDatabase</a>
  
    <li><a href="../../ActiveSupport/Notifications.html">ActiveSupport::Notifications</a>
  
    <li><a href="../../ActiveSupport/Notifications/Event.html">ActiveSupport::Notifications::Event</a>
  
    <li><a href="../../ActiveSupport/Notifications/Fanout.html">ActiveSupport::Notifications::Fanout</a>
  
    <li><a href="../../ActiveSupport/Notifications/Instrumenter.html">ActiveSupport::Notifications::Instrumenter</a>
  
    <li><a href="../../ActiveSupport/OrderedHash.html">ActiveSupport::OrderedHash</a>
  
    <li><a href="../../ActiveSupport/OrderedOptions.html">ActiveSupport::OrderedOptions</a>
  
    <li><a href="../../ActiveSupport/Railtie.html">ActiveSupport::Railtie</a>
  
    <li><a href="../../ActiveSupport/Rescuable.html">ActiveSupport::Rescuable</a>
  
    <li><a href="../../ActiveSupport/Rescuable/ClassMethods.html">ActiveSupport::Rescuable::ClassMethods</a>
  
    <li><a href="../../ActiveSupport/SafeBuffer.html">ActiveSupport::SafeBuffer</a>
  
    <li><a href="../../ActiveSupport/SafeBuffer/SafeConcatError.html">ActiveSupport::SafeBuffer::SafeConcatError</a>
  
    <li><a href="../../ActiveSupport/StringInquirer.html">ActiveSupport::StringInquirer</a>
  
    <li><a href="../../ActiveSupport/TaggedLogging.html">ActiveSupport::TaggedLogging</a>
  
    <li><a href="../../ActiveSupport/TestCase.html">ActiveSupport::TestCase</a>
  
    <li><a href="../../ActiveSupport/Testing.html">ActiveSupport::Testing</a>
  
    <li><a href="../../ActiveSupport/Testing/Assertions.html">ActiveSupport::Testing::Assertions</a>
  
    <li><a href="../../ActiveSupport/Testing/Declarative.html">ActiveSupport::Testing::Declarative</a>
  
    <li><a href="../../ActiveSupport/Testing/Isolation.html">ActiveSupport::Testing::Isolation</a>
  
    <li><a href="../../ActiveSupport/Testing/Isolation/Forking.html">ActiveSupport::Testing::Isolation::Forking</a>
  
    <li><a href="../../ActiveSupport/Testing/Isolation/MiniTest.html">ActiveSupport::Testing::Isolation::MiniTest</a>
  
    <li><a href="../../ActiveSupport/Testing/Isolation/Subprocess.html">ActiveSupport::Testing::Isolation::Subprocess</a>
  
    <li><a href="../../ActiveSupport/Testing/Isolation/TestUnit.html">ActiveSupport::Testing::Isolation::TestUnit</a>
  
    <li><a href="../../ActiveSupport/Testing/Pending.html">ActiveSupport::Testing::Pending</a>
  
    <li><a href="../../ActiveSupport/Testing/Performance.html">ActiveSupport::Testing::Performance</a>
  
    <li><a href="../../ActiveSupport/Testing/Performance/Benchmarker.html">ActiveSupport::Testing::Performance::Benchmarker</a>
  
    <li><a href="../../ActiveSupport/Testing/Performance/ForClassicTestUnit.html">ActiveSupport::Testing::Performance::ForClassicTestUnit</a>
  
    <li><a href="../../ActiveSupport/Testing/Performance/ForMiniTest.html">ActiveSupport::Testing::Performance::ForMiniTest</a>
  
    <li><a href="../../ActiveSupport/Testing/Performance/Metrics.html">ActiveSupport::Testing::Performance::Metrics</a>
  
    <li><a href="../../ActiveSupport/Testing/Performance/Metrics/Amount.html">ActiveSupport::Testing::Performance::Metrics::Amount</a>
  
    <li><a href="../../ActiveSupport/Testing/Performance/Metrics/Base.html">ActiveSupport::Testing::Performance::Metrics::Base</a>
  
    <li><a href="../../ActiveSupport/Testing/Performance/Metrics/CpuTime.html">ActiveSupport::Testing::Performance::Metrics::CpuTime</a>
  
    <li><a href="../../ActiveSupport/Testing/Performance/Metrics/DigitalInformationUnit.html">ActiveSupport::Testing::Performance::Metrics::DigitalInformationUnit</a>
  
    <li><a href="../../ActiveSupport/Testing/Performance/Metrics/GcRuns.html">ActiveSupport::Testing::Performance::Metrics::GcRuns</a>
  
    <li><a href="../../ActiveSupport/Testing/Performance/Metrics/GcTime.html">ActiveSupport::Testing::Performance::Metrics::GcTime</a>
  
    <li><a href="../../ActiveSupport/Testing/Performance/Metrics/Memory.html">ActiveSupport::Testing::Performance::Metrics::Memory</a>
  
    <li><a href="../../ActiveSupport/Testing/Performance/Metrics/Objects.html">ActiveSupport::Testing::Performance::Metrics::Objects</a>
  
    <li><a href="../../ActiveSupport/Testing/Performance/Metrics/ProcessTime.html">ActiveSupport::Testing::Performance::Metrics::ProcessTime</a>
  
    <li><a href="../../ActiveSupport/Testing/Performance/Metrics/Time.html">ActiveSupport::Testing::Performance::Metrics::Time</a>
  
    <li><a href="../../ActiveSupport/Testing/Performance/Metrics/UserTime.html">ActiveSupport::Testing::Performance::Metrics::UserTime</a>
  
    <li><a href="../../ActiveSupport/Testing/Performance/Metrics/WallTime.html">ActiveSupport::Testing::Performance::Metrics::WallTime</a>
  
    <li><a href="../../ActiveSupport/Testing/Performance/Performer.html">ActiveSupport::Testing::Performance::Performer</a>
  
    <li><a href="../../ActiveSupport/Testing/Performance/Profiler.html">ActiveSupport::Testing::Performance::Profiler</a>
  
    <li><a href="../../ActiveSupport/Testing/ProxyTestResult.html">ActiveSupport::Testing::ProxyTestResult</a>
  
    <li><a href="../../ActiveSupport/Testing/RemoteError.html">ActiveSupport::Testing::RemoteError</a>
  
    <li><a href="../../ActiveSupport/Testing/SetupAndTeardown.html">ActiveSupport::Testing::SetupAndTeardown</a>
  
    <li><a href="../../ActiveSupport/Testing/SetupAndTeardown/ClassMethods.html">ActiveSupport::Testing::SetupAndTeardown::ClassMethods</a>
  
    <li><a href="../../ActiveSupport/Testing/SetupAndTeardown/ForClassicTestUnit.html">ActiveSupport::Testing::SetupAndTeardown::ForClassicTestUnit</a>
  
    <li><a href="../../ActiveSupport/Testing/SetupAndTeardown/ForMiniTest.html">ActiveSupport::Testing::SetupAndTeardown::ForMiniTest</a>
  
    <li><a href="../../ActiveSupport/TimeWithZone.html">ActiveSupport::TimeWithZone</a>
  
    <li><a href="../../ActiveSupport/TimeZone.html">ActiveSupport::TimeZone</a>
  
    <li><a href="../../ActiveSupport/XmlMini.html">ActiveSupport::XmlMini</a>
  
    <li><a href="../../ActiveSupport/XmlMini_LibXMLSAX.html">ActiveSupport::XmlMini_LibXMLSAX</a>
  
    <li><a href="../../ActiveSupport/XmlMini_LibXMLSAX/HashBuilder.html">ActiveSupport::XmlMini_LibXMLSAX::HashBuilder</a>
  
    <li><a href="../../ActiveSupport/XmlMini_NokogiriSAX.html">ActiveSupport::XmlMini_NokogiriSAX</a>
  
    <li><a href="../../ActiveSupport/XmlMini_NokogiriSAX/HashBuilder.html">ActiveSupport::XmlMini_NokogiriSAX::HashBuilder</a>
  
    <li><a href="../../ActionController.html">ActionController</a>
  
    <li><a href="../../ActionController/Base.html">ActionController::Base</a>
  
    <li><a href="../../ActionController/Caching.html">ActionController::Caching</a>
  
    <li><a href="../../ActionController/Caching/Actions.html">ActionController::Caching::Actions</a>
  
    <li><a href="../../ActionController/Caching/Actions/ActionCachePath.html">ActionController::Caching::Actions::ActionCachePath</a>
  
    <li><a href="../../ActionController/Caching/Actions/ClassMethods.html">ActionController::Caching::Actions::ClassMethods</a>
  
    <li><a href="../../ActionController/Caching/ConfigMethods.html">ActionController::Caching::ConfigMethods</a>
  
    <li><a href="../../ActionController/Caching/Fragments.html">ActionController::Caching::Fragments</a>
  
    <li><a href="../../ActionController/Caching/Pages.html">ActionController::Caching::Pages</a>
  
    <li><a href="../../ActionController/Caching/Pages/ClassMethods.html">ActionController::Caching::Pages::ClassMethods</a>
  
    <li><a href="../../ActionController/Caching/Sweeping.html">ActionController::Caching::Sweeping</a>
  
    <li><a href="../../ActionController/Compatibility.html">ActionController::Compatibility</a>
  
    <li><a href="../../ActionController/ConditionalGet.html">ActionController::ConditionalGet</a>
  
    <li><a href="../../ActionController/Cookies.html">ActionController::Cookies</a>
  
    <li><a href="../../ActionController/DataStreaming.html">ActionController::DataStreaming</a>
  
    <li><a href="../../ActionController/Flash.html">ActionController::Flash</a>
  
    <li><a href="../../ActionController/ForceSSL.html">ActionController::ForceSSL</a>
  
    <li><a href="../../ActionController/ForceSSL/ClassMethods.html">ActionController::ForceSSL::ClassMethods</a>
  
    <li><a href="../../ActionController/Head.html">ActionController::Head</a>
  
    <li><a href="../../ActionController/Helpers.html">ActionController::Helpers</a>
  
    <li><a href="../../ActionController/Helpers/ClassMethods.html">ActionController::Helpers::ClassMethods</a>
  
    <li><a href="../../ActionController/HideActions.html">ActionController::HideActions</a>
  
    <li><a href="../../ActionController/HideActions/ClassMethods.html">ActionController::HideActions::ClassMethods</a>
  
    <li><a href="../../ActionController/HttpAuthentication.html">ActionController::HttpAuthentication</a>
  
    <li><a href="../../ActionController/HttpAuthentication/Basic.html">ActionController::HttpAuthentication::Basic</a>
  
    <li><a href="../../ActionController/HttpAuthentication/Basic/ControllerMethods.html">ActionController::HttpAuthentication::Basic::ControllerMethods</a>
  
    <li><a href="../../ActionController/HttpAuthentication/Basic/ControllerMethods/ClassMethods.html">ActionController::HttpAuthentication::Basic::ControllerMethods::ClassMethods</a>
  
    <li><a href="../../ActionController/HttpAuthentication/Digest.html">ActionController::HttpAuthentication::Digest</a>
  
    <li><a href="../../ActionController/HttpAuthentication/Digest/ControllerMethods.html">ActionController::HttpAuthentication::Digest::ControllerMethods</a>
  
    <li><a href="../../ActionController/HttpAuthentication/Token.html">ActionController::HttpAuthentication::Token</a>
  
    <li><a href="../../ActionController/HttpAuthentication/Token/ControllerMethods.html">ActionController::HttpAuthentication::Token::ControllerMethods</a>
  
    <li><a href="../../ActionController/ImplicitRender.html">ActionController::ImplicitRender</a>
  
    <li><a href="../../ActionController/Instrumentation.html">ActionController::Instrumentation</a>
  
    <li><a href="../../ActionController/Instrumentation/ClassMethods.html">ActionController::Instrumentation::ClassMethods</a>
  
    <li><a href="../../ActionController/LogSubscriber.html">ActionController::LogSubscriber</a>
  
    <li><a href="../../ActionController/Metal.html">ActionController::Metal</a>
  
    <li><a href="../../ActionController/Middleware.html">ActionController::Middleware</a>
  
    <li><a href="../../ActionController/Middleware/ActionMiddleware.html">ActionController::Middleware::ActionMiddleware</a>
  
    <li><a href="../../ActionController/MimeResponds.html">ActionController::MimeResponds</a>
  
    <li><a href="../../ActionController/MimeResponds/ClassMethods.html">ActionController::MimeResponds::ClassMethods</a>
  
    <li><a href="../../ActionController/ParamsWrapper.html">ActionController::ParamsWrapper</a>
  
    <li><a href="../../ActionController/ParamsWrapper/ClassMethods.html">ActionController::ParamsWrapper::ClassMethods</a>
  
    <li><a href="../../ActionController/RackDelegation.html">ActionController::RackDelegation</a>
  
    <li><a href="../../ActionController/Railtie.html">ActionController::Railtie</a>
  
    <li><a href="../../ActionController/Railties.html">ActionController::Railties</a>
  
    <li><a href="../../ActionController/Railties/Paths.html">ActionController::Railties::Paths</a>
  
    <li><a href="../../ActionController/RecordIdentifier.html">ActionController::RecordIdentifier</a>
  
    <li><a href="../../ActionController/Redirecting.html">ActionController::Redirecting</a>
  
    <li><a href="../../ActionController/Renderers.html">ActionController::Renderers</a>
  
    <li><a href="../../ActionController/Renderers/All.html">ActionController::Renderers::All</a>
  
    <li><a href="../../ActionController/Renderers/ClassMethods.html">ActionController::Renderers::ClassMethods</a>
  
    <li><a href="../../ActionController/Rendering.html">ActionController::Rendering</a>
  
    <li><a href="../../ActionController/RequestForgeryProtection.html">ActionController::RequestForgeryProtection</a>
  
    <li><a href="../../ActionController/RequestForgeryProtection/ClassMethods.html">ActionController::RequestForgeryProtection::ClassMethods</a>
  
    <li><a href="../../ActionController/Rescue.html">ActionController::Rescue</a>
  
    <li><a href="../../ActionController/Responder.html">ActionController::Responder</a>
  
    <li><a href="../../ActionController/SessionManagement.html">ActionController::SessionManagement</a>
  
    <li><a href="../../ActionController/SessionManagement/ClassMethods.html">ActionController::SessionManagement::ClassMethods</a>
  
    <li><a href="../../ActionController/Streaming.html">ActionController::Streaming</a>
  
    <li><a href="../../ActionController/TemplateAssertions.html">ActionController::TemplateAssertions</a>
  
    <li><a href="../../ActionController/TestCase.html">ActionController::TestCase</a>
  
    <li><a href="../../ActionController/TestCase/Behavior.html">ActionController::TestCase::Behavior</a>
  
    <li><a href="../../ActionController/TestCase/Behavior/ClassMethods.html">ActionController::TestCase::Behavior::ClassMethods</a>
  
    <li><a href="../../ActionController/TestCase/RaiseActionExceptions.html">ActionController::TestCase::RaiseActionExceptions</a>
  
    <li><a href="../../ActionController/TestResponse.html">ActionController::TestResponse</a>
  
    <li><a href="../../ActionController/Testing.html">ActionController::Testing</a>
  
    <li><a href="../../ActionController/Testing/ClassMethods.html">ActionController::Testing::ClassMethods</a>
  
    <li><a href="../../ActionController/UrlFor.html">ActionController::UrlFor</a>
  
    <li><a href="../../ActionView.html">ActionView</a>
  
    <li><a href="../../ActionView/ActionView.html">ActionView::ActionView</a>
  
    <li><a href="../../ActionView/ActionView/ActionView.html">ActionView::ActionView::ActionView</a>
  
    <li><a href="../../ActionView/ActionView/ActionView/Base.html">ActionView::ActionView::ActionView::Base</a>
  
    <li><a href="../../ActionView/Base.html">ActionView::Base</a>
  
    <li><a href="../../ActionView/Context.html">ActionView::Context</a>
  
    <li><a href="../../ActionView/FileSystemResolver.html">ActionView::FileSystemResolver</a>
  
    <li><a href="../../ActionView/FixtureResolver.html">ActionView::FixtureResolver</a>
  
    <li><a href="../../ActionView/Helpers.html">ActionView::Helpers</a>
  
    <li><a href="../../ActionView/Helpers/ActiveModelHelper.html">ActionView::Helpers::ActiveModelHelper</a>
  
    <li><a href="../../ActionView/Helpers/ActiveModelInstanceTag.html">ActionView::Helpers::ActiveModelInstanceTag</a>
  
    <li><a href="../../ActionView/Helpers/AssetTagHelper.html">ActionView::Helpers::AssetTagHelper</a>
  
    <li><a href="../../ActionView/Helpers/AssetTagHelper/AssetIncludeTag.html">ActionView::Helpers::AssetTagHelper::AssetIncludeTag</a>
  
    <li><a href="../../ActionView/Helpers/AssetTagHelper/JavascriptIncludeTag.html">ActionView::Helpers::AssetTagHelper::JavascriptIncludeTag</a>
  
    <li><a href="../../ActionView/Helpers/AssetTagHelper/JavascriptTagHelpers.html">ActionView::Helpers::AssetTagHelper::JavascriptTagHelpers</a>
  
    <li><a href="../../ActionView/Helpers/AssetTagHelper/JavascriptTagHelpers/ClassMethods.html">ActionView::Helpers::AssetTagHelper::JavascriptTagHelpers::ClassMethods</a>
  
    <li><a href="../../ActionView/Helpers/AssetTagHelper/StylesheetIncludeTag.html">ActionView::Helpers::AssetTagHelper::StylesheetIncludeTag</a>
  
    <li><a href="../../ActionView/Helpers/AssetTagHelper/StylesheetTagHelpers.html">ActionView::Helpers::AssetTagHelper::StylesheetTagHelpers</a>
  
    <li><a href="../../ActionView/Helpers/AssetTagHelper/StylesheetTagHelpers/ClassMethods.html">ActionView::Helpers::AssetTagHelper::StylesheetTagHelpers::ClassMethods</a>
  
    <li><a href="../../ActionView/Helpers/AtomFeedHelper.html">ActionView::Helpers::AtomFeedHelper</a>
  
    <li><a href="../../ActionView/Helpers/AtomFeedHelper/AtomBuilder.html">ActionView::Helpers::AtomFeedHelper::AtomBuilder</a>
  
    <li><a href="../../ActionView/Helpers/AtomFeedHelper/AtomFeedBuilder.html">ActionView::Helpers::AtomFeedHelper::AtomFeedBuilder</a>
  
    <li><a href="../../ActionView/Helpers/CacheHelper.html">ActionView::Helpers::CacheHelper</a>
  
    <li><a href="../../ActionView/Helpers/CaptureHelper.html">ActionView::Helpers::CaptureHelper</a>
  
    <li><a href="../../ActionView/Helpers/CsrfHelper.html">ActionView::Helpers::CsrfHelper</a>
  
    <li><a href="../../ActionView/Helpers/DateHelper.html">ActionView::Helpers::DateHelper</a>
  
    <li><a href="../../ActionView/Helpers/DateHelperInstanceTag.html">ActionView::Helpers::DateHelperInstanceTag</a>
  
    <li><a href="../../ActionView/Helpers/DebugHelper.html">ActionView::Helpers::DebugHelper</a>
  
    <li><a href="../../ActionView/Helpers/FormBuilder.html">ActionView::Helpers::FormBuilder</a>
  
    <li><a href="../../ActionView/Helpers/FormHelper.html">ActionView::Helpers::FormHelper</a>
  
    <li><a href="../../ActionView/Helpers/FormOptionsHelper.html">ActionView::Helpers::FormOptionsHelper</a>
  
    <li><a href="../../ActionView/Helpers/FormTagHelper.html">ActionView::Helpers::FormTagHelper</a>
  
    <li><a href="../../ActionView/Helpers/InstanceTag.html">ActionView::Helpers::InstanceTag</a>
  
    <li><a href="../../ActionView/Helpers/JavaScriptHelper.html">ActionView::Helpers::JavaScriptHelper</a>
  
    <li><a href="../../ActionView/Helpers/NumberHelper.html">ActionView::Helpers::NumberHelper</a>
  
    <li><a href="../../ActionView/Helpers/NumberHelper/InvalidNumberError.html">ActionView::Helpers::NumberHelper::InvalidNumberError</a>
  
    <li><a href="../../ActionView/Helpers/OutputSafetyHelper.html">ActionView::Helpers::OutputSafetyHelper</a>
  
    <li><a href="../../ActionView/Helpers/RecordTagHelper.html">ActionView::Helpers::RecordTagHelper</a>
  
    <li><a href="../../ActionView/Helpers/RenderingHelper.html">ActionView::Helpers::RenderingHelper</a>
  
    <li><a href="../../ActionView/Helpers/SanitizeHelper.html">ActionView::Helpers::SanitizeHelper</a>
  
    <li><a href="../../ActionView/Helpers/TagHelper.html">ActionView::Helpers::TagHelper</a>
  
    <li><a href="../../ActionView/Helpers/TextHelper.html">ActionView::Helpers::TextHelper</a>
  
    <li><a href="../../ActionView/Helpers/TranslationHelper.html">ActionView::Helpers::TranslationHelper</a>
  
    <li><a href="../../ActionView/Helpers/UrlHelper.html">ActionView::Helpers::UrlHelper</a>
  
    <li><a href="../../ActionView/LogSubscriber.html">ActionView::LogSubscriber</a>
  
    <li><a href="../../ActionView/LookupContext.html">ActionView::LookupContext</a>
  
    <li><a href="../../ActionView/LookupContext/DetailsCache.html">ActionView::LookupContext::DetailsCache</a>
  
    <li><a href="../../ActionView/LookupContext/ViewPaths.html">ActionView::LookupContext::ViewPaths</a>
  
    <li><a href="../../ActionView/NullResolver.html">ActionView::NullResolver</a>
  
    <li><a href="../../ActionView/PartialRenderer.html">ActionView::PartialRenderer</a>
  
    <li><a href="../../ActionView/Railtie.html">ActionView::Railtie</a>
  
    <li><a href="../../ActionView/Renderer.html">ActionView::Renderer</a>
  
    <li><a href="../../ActionView/Resolver.html">ActionView::Resolver</a>
  
    <li><a href="../../ActionView/Resolver/Path.html">ActionView::Resolver::Path</a>
  
    <li><a href="../../ActionView/Template.html">ActionView::Template</a>
  
    <li><a href="../../ActionView/Template/Handlers.html">ActionView::Template::Handlers</a>
  
    <li><a href="../../ActionView/Template/Handlers/Builder.html">ActionView::Template::Handlers::Builder</a>
  
    <li><a href="../../ActionView/Template/Handlers/ERB.html">ActionView::Template::Handlers::ERB</a>
  
    <li><a href="../../ActionView/Template/Handlers/Erubis.html">ActionView::Template::Handlers::Erubis</a>
  
    <li><a href="../../ActionView/TestCase.html">ActionView::TestCase</a>
  
    <li><a href="../../ActionView/TestCase/Behavior.html">ActionView::TestCase::Behavior</a>
  
    <li><a href="../../ActionView/TestCase/Behavior/ClassMethods.html">ActionView::TestCase::Behavior::ClassMethods</a>
  
    <li><a href="../../ActionView/TestCase/Behavior/Locals.html">ActionView::TestCase::Behavior::Locals</a>
  
    <li><a href="../../ActionView/TestCase/TestController.html">ActionView::TestCase::TestController</a>
  
    <li><a href="../../ActiveModel.html">ActiveModel</a>
  
    <li><a href="../../ActiveModel/AttributeMethods.html">ActiveModel::AttributeMethods</a>
  
    <li><a href="../../ActiveModel/AttributeMethods/ClassMethods.html">ActiveModel::AttributeMethods::ClassMethods</a>
  
    <li><a href="../../ActiveModel/AttributeMethods/ClassMethods/AttributeMethodMatcher.html">ActiveModel::AttributeMethods::ClassMethods::AttributeMethodMatcher</a>
  
    <li><a href="../../ActiveModel/BlockValidator.html">ActiveModel::BlockValidator</a>
  
    <li><a href="../../ActiveModel/Callbacks.html">ActiveModel::Callbacks</a>
  
    <li><a href="../../ActiveModel/Conversion.html">ActiveModel::Conversion</a>
  
    <li><a href="../../ActiveModel/Dirty.html">ActiveModel::Dirty</a>
  
    <li><a href="../../ActiveModel/EachValidator.html">ActiveModel::EachValidator</a>
  
    <li><a href="../../ActiveModel/Errors.html">ActiveModel::Errors</a>
  
    <li><a href="../../ActiveModel/Lint.html">ActiveModel::Lint</a>
  
    <li><a href="../../ActiveModel/Lint/Tests.html">ActiveModel::Lint::Tests</a>
  
    <li><a href="../../ActiveModel/MassAssignmentSecurity.html">ActiveModel::MassAssignmentSecurity</a>
  
    <li><a href="../../ActiveModel/MassAssignmentSecurity/BlackList.html">ActiveModel::MassAssignmentSecurity::BlackList</a>
  
    <li><a href="../../ActiveModel/MassAssignmentSecurity/ClassMethods.html">ActiveModel::MassAssignmentSecurity::ClassMethods</a>
  
    <li><a href="../../ActiveModel/MassAssignmentSecurity/Error.html">ActiveModel::MassAssignmentSecurity::Error</a>
  
    <li><a href="../../ActiveModel/MassAssignmentSecurity/LoggerSanitizer.html">ActiveModel::MassAssignmentSecurity::LoggerSanitizer</a>
  
    <li><a href="../../ActiveModel/MassAssignmentSecurity/PermissionSet.html">ActiveModel::MassAssignmentSecurity::PermissionSet</a>
  
    <li><a href="../../ActiveModel/MassAssignmentSecurity/Sanitizer.html">ActiveModel::MassAssignmentSecurity::Sanitizer</a>
  
    <li><a href="../../ActiveModel/MassAssignmentSecurity/StrictSanitizer.html">ActiveModel::MassAssignmentSecurity::StrictSanitizer</a>
  
    <li><a href="../../ActiveModel/MassAssignmentSecurity/WhiteList.html">ActiveModel::MassAssignmentSecurity::WhiteList</a>
  
    <li><a href="../../ActiveModel/MissingAttributeError.html">ActiveModel::MissingAttributeError</a>
  
    <li><a href="../../ActiveModel/Name.html">ActiveModel::Name</a>
  
    <li><a href="../../ActiveModel/Naming.html">ActiveModel::Naming</a>
  
    <li><a href="../../ActiveModel/Observer.html">ActiveModel::Observer</a>
  
    <li><a href="../../ActiveModel/ObserverArray.html">ActiveModel::ObserverArray</a>
  
    <li><a href="../../ActiveModel/Observing.html">ActiveModel::Observing</a>
  
    <li><a href="../../ActiveModel/Observing/ClassMethods.html">ActiveModel::Observing::ClassMethods</a>
  
    <li><a href="../../ActiveModel/SecurePassword.html">ActiveModel::SecurePassword</a>
  
    <li><a href="../../ActiveModel/SecurePassword/ClassMethods.html">ActiveModel::SecurePassword::ClassMethods</a>
  
    <li><a href="../../ActiveModel/SecurePassword/InstanceMethodsOnActivation.html">ActiveModel::SecurePassword::InstanceMethodsOnActivation</a>
  
    <li><a href="../../ActiveModel/Serialization.html">ActiveModel::Serialization</a>
  
    <li><a href="../../ActiveModel/Serializers.html">ActiveModel::Serializers</a>
  
    <li><a href="../../ActiveModel/Serializers/JSON.html">ActiveModel::Serializers::JSON</a>
  
    <li><a href="../../ActiveModel/Serializers/Xml.html">ActiveModel::Serializers::Xml</a>
  
    <li><a href="../../ActiveModel/StrictValidationFailed.html">ActiveModel::StrictValidationFailed</a>
  
    <li><a href="../../ActiveModel/Translation.html">ActiveModel::Translation</a>
  
    <li><a href="../../ActiveModel/Validations.html">ActiveModel::Validations</a>
  
    <li><a href="../../ActiveModel/Validations/AcceptanceValidator.html">ActiveModel::Validations::AcceptanceValidator</a>
  
    <li><a href="../../ActiveModel/Validations/Callbacks.html">ActiveModel::Validations::Callbacks</a>
  
    <li><a href="../../ActiveModel/Validations/Callbacks/ClassMethods.html">ActiveModel::Validations::Callbacks::ClassMethods</a>
  
    <li><a href="../../ActiveModel/Validations/ClassMethods.html">ActiveModel::Validations::ClassMethods</a>
  
    <li><a href="../../ActiveModel/Validations/ConfirmationValidator.html">ActiveModel::Validations::ConfirmationValidator</a>
  
    <li><a href="../../ActiveModel/Validations/ExclusionValidator.html">ActiveModel::Validations::ExclusionValidator</a>
  
    <li><a href="../../ActiveModel/Validations/FormatValidator.html">ActiveModel::Validations::FormatValidator</a>
  
    <li><a href="../../ActiveModel/Validations/HelperMethods.html">ActiveModel::Validations::HelperMethods</a>
  
    <li><a href="../../ActiveModel/Validations/InclusionValidator.html">ActiveModel::Validations::InclusionValidator</a>
  
    <li><a href="../../ActiveModel/Validations/LengthValidator.html">ActiveModel::Validations::LengthValidator</a>
  
    <li><a href="../../ActiveModel/Validations/NumericalityValidator.html">ActiveModel::Validations::NumericalityValidator</a>
  
    <li><a href="../../ActiveModel/Validations/PresenceValidator.html">ActiveModel::Validations::PresenceValidator</a>
  
    <li><a href="../../ActiveModel/Validations/WithValidator.html">ActiveModel::Validations::WithValidator</a>
  
    <li><a href="../../ActiveModel/Validator.html">ActiveModel::Validator</a>
  
    <li><a href="../../ActiveResource.html">ActiveResource</a>
  
    <li><a href="../../ActiveResource/Base.html">ActiveResource::Base</a>
  
    <li><a href="../../ActiveResource/Connection.html">ActiveResource::Connection</a>
  
    <li><a href="../../ActiveResource/CustomMethods.html">ActiveResource::CustomMethods</a>
  
    <li><a href="../../ActiveResource/CustomMethods/ClassMethods.html">ActiveResource::CustomMethods::ClassMethods</a>
  
    <li><a href="../../ActiveResource/Errors.html">ActiveResource::Errors</a>
  
    <li><a href="../../ActiveResource/Formats.html">ActiveResource::Formats</a>
  
    <li><a href="../../ActiveResource/Formats/JsonFormat.html">ActiveResource::Formats::JsonFormat</a>
  
    <li><a href="../../ActiveResource/Formats/XmlFormat.html">ActiveResource::Formats::XmlFormat</a>
  
    <li><a href="../../ActiveResource/HttpMock.html">ActiveResource::HttpMock</a>
  
    <li><a href="../../ActiveResource/InvalidRequestError.html">ActiveResource::InvalidRequestError</a>
  
    <li><a href="../../ActiveResource/LogSubscriber.html">ActiveResource::LogSubscriber</a>
  
    <li><a href="../../ActiveResource/Observing.html">ActiveResource::Observing</a>
  
    <li><a href="../../ActiveResource/Railtie.html">ActiveResource::Railtie</a>
  
    <li><a href="../../ActiveResource/Request.html">ActiveResource::Request</a>
  
    <li><a href="../../ActiveResource/Response.html">ActiveResource::Response</a>
  
    <li><a href="../../ActiveResource/SSLError.html">ActiveResource::SSLError</a>
  
    <li><a href="../../ActiveResource/TimeoutError.html">ActiveResource::TimeoutError</a>
  
    <li><a href="../../ActiveResource/Validations.html">ActiveResource::Validations</a>
  
    <li><a href="../../HTML.html">HTML</a>
  
    <li><a href="../../HTML/FullSanitizer.html">HTML::FullSanitizer</a>
  
    <li><a href="../../HTML/LinkSanitizer.html">HTML::LinkSanitizer</a>
  
    <li><a href="../../HTML/Sanitizer.html">HTML::Sanitizer</a>
  
    <li><a href="../../HTML/Selector.html">HTML::Selector</a>
  
    <li><a href="../../HTML/Tag.html">HTML::Tag</a>
  
    <li><a href="../../HTML/WhiteListSanitizer.html">HTML::WhiteListSanitizer</a>
  
    <li><a href="../../Mysql.html">Mysql</a>
  
    <li><a href="../../Mysql/Result.html">Mysql::Result</a>
  
    <li><a href="../../Mysql/Stmt.html">Mysql::Stmt</a>
  
    <li><a href="../../Mysql/Time.html">Mysql::Time</a>
  
    <li><a href="../../Test.html">Test</a>
  
    <li><a href="../../Test/Unit.html">Test::Unit</a>
  
    <li><a href="../../Test/Unit/Collector.html">Test::Unit::Collector</a>
  
    <li><a href="../../Test/Unit/Collector/ObjectSpace.html">Test::Unit::Collector::ObjectSpace</a>
  
    <li><a href="../../I18n.html">I18n</a>
  
    <li><a href="../../I18n/ExceptionHandler.html">I18n::ExceptionHandler</a>
  
    <li><a href="../../I18n/Railtie.html">I18n::Railtie</a>
  
    <li><a href="../../Object.html">Object</a>
  
    <li><a href="../../ActiveSupport/HashWithIndifferentAccess.html">Object::HashWithIndifferentAccess</a>
  
    <li><a href="../../LoadError.html">Object::MissingSourceFile</a>
  
    <li><a href="../../ActionMailer.html">ActionMailer</a>
  
    <li><a href="../../ActionMailer/Base.html">ActionMailer::Base</a>
  
    <li><a href="../../ArJdbcMySQL.html">ArJdbcMySQL</a>
  
    <li><a href="../../ArJdbcMySQL/Error.html">ArJdbcMySQL::Error</a>
  
    <li><a href="../../ERB.html">ERB</a>
  
    <li><a href="../../ERB/Util.html">ERB::Util</a>
  
    <li><a href="../../LoadError.html">LoadError</a>
  
    <li><a href="../../LoadError.html">LoadError</a>
  
    <li><a href="../../Logger.html">Logger</a>
  
    <li><a href="../../Logger/SimpleFormatter.html">Logger::SimpleFormatter</a>
  
    <li><a href="../../Array.html">Array</a>
  
    <li><a href="../../Base64.html">Base64</a>
  
    <li><a href="../../Benchmark.html">Benchmark</a>
  
    <li><a href="../../BigDecimal.html">BigDecimal</a>
  
    <li><a href="../../Class.html">Class</a>
  
    <li><a href="../../Date.html">Date</a>
  
    <li><a href="../../DateTime.html">DateTime</a>
  
    <li><a href="../../Enumerable.html">Enumerable</a>
  
    <li><a href="../../FalseClass.html">FalseClass</a>
  
    <li><a href="../../File.html">File</a>
  
    <li><a href="../../Float.html">Float</a>
  
    <li><a href="../../Hash.html">Hash</a>
  
    <li><a href="../../Integer.html">Integer</a>
  
    <li><a href="../../Kernel.html">Kernel</a>
  
    <li><a href="../../Module.html">Module</a>
  
    <li><a href="../../NameError.html">NameError</a>
  
    <li><a href="../../NilClass.html">NilClass</a>
  
    <li><a href="../../Numeric.html">Numeric</a>
  
    <li><a href="../../Process.html">Process</a>
  
    <li><a href="../../QualifiedConstUtils.html">QualifiedConstUtils</a>
  
    <li><a href="../../Rails.html">Rails</a>
  
    <li><a href="../../Range.html">Range</a>
  
    <li><a href="../../Regexp.html">Regexp</a>
  
    <li><a href="../../String.html">String</a>
  
    <li><a href="../../Symbol.html">Symbol</a>
  
    <li><a href="../../Time.html">Time</a>
  
    <li><a href="../../TrueClass.html">TrueClass</a>
  
    <li><a href="../../URI.html">URI</a>
  
  </ul>
</nav>

  </div>
</nav>

<div id="documentation">
  <h1 class="class">class ActiveRecord::ConnectionAdapters::AbstractMysqlAdapter</h1>

  <div id="description" class="description">
    
  </div><!-- description -->

  
  
  
  <section id="5Buntitled-5D" class="documentation-section">
    

    

    
    <!-- Constants -->
    <section id="constants-list" class="section">
      <h3 class="section-header">Constants</h3>
      <dl>
      
        <dt id="LOST_CONNECTION_ERROR_MESSAGES">LOST_CONNECTION_ERROR_MESSAGES
        
        <dd class="description">
        
      
        <dt id="NATIVE_DATABASE_TYPES">NATIVE_DATABASE_TYPES
        
        <dd class="description">
        
      
        <dt id="QUOTED_FALSE">QUOTED_FALSE
        
        <dd class="description">
        
      
      </dl>
    </section>
    

    

    <!-- Methods -->
    
     <section id="public-class-5Buntitled-5D-method-details" class="method-section section">
      <h3 class="section-header">Public Class Methods</h3>

    
      <div id="method-c-emulate_booleans" class="method-detail ">
        
        <div class="method-heading">
          <span class="method-name">emulate_booleans</span><span
            class="method-args">()</span>
          <span class="method-click-advice">click to toggle source</span>
        </div>
        

        <div class="method-description">
          
          <p>By default, the <a href="MysqlAdapter.html">MysqlAdapter</a> will consider
all columns of type <code>tinyint(1)</code> as boolean. If you wish to
disable this emulation (which was the default behavior in versions 0.13.1
and earlier) you can add the following line to your application.rb file:</p>

<pre>ActiveRecord::ConnectionAdapters::Mysql[2]Adapter.emulate_booleans = false</pre>
          

          
          <div class="method-source-code" id="emulate_booleans-source">
            <pre><span class="ruby-comment"># File /usr/local/lib/ruby/gems/1.9.1/gems/activerecord-3.2.7/lib/active_record/connection_adapters/abstract_mysql_adapter.rb, line 102</span>
<span class="ruby-identifier">class_attribute</span> <span class="ruby-value">:emulate_booleans</span>
</pre>
          </div><!-- emulate_booleans-source -->
          
        </div>

        

        
      </div><!-- emulate_booleans-method -->

    
      <div id="method-c-new" class="method-detail ">
        
        <div class="method-heading">
          <span class="method-name">new</span><span
            class="method-args">(connection, logger, connection_options, config)</span>
          <span class="method-click-advice">click to toggle source</span>
        </div>
        

        <div class="method-description">
          
          <p>FIXME: Make the first parameter more similar for the two adapters</p>
          

          
          <div class="method-source-code" id="new-source">
            <pre><span class="ruby-comment"># File /usr/local/lib/ruby/gems/1.9.1/gems/activerecord-3.2.7/lib/active_record/connection_adapters/abstract_mysql_adapter.rb, line 133</span>
<span class="ruby-keyword">def</span> <span class="ruby-identifier">initialize</span>(<span class="ruby-identifier">connection</span>, <span class="ruby-identifier">logger</span>, <span class="ruby-identifier">connection_options</span>, <span class="ruby-identifier">config</span>)
  <span class="ruby-keyword">super</span>(<span class="ruby-identifier">connection</span>, <span class="ruby-identifier">logger</span>)
  <span class="ruby-ivar">@connection_options</span>, <span class="ruby-ivar">@config</span> = <span class="ruby-identifier">connection_options</span>, <span class="ruby-identifier">config</span>
  <span class="ruby-ivar">@quoted_column_names</span>, <span class="ruby-ivar">@quoted_table_names</span> = {}, {}

  <span class="ruby-keyword">if</span> <span class="ruby-identifier">config</span>.<span class="ruby-identifier">fetch</span>(<span class="ruby-value">:prepared_statements</span>) { <span class="ruby-keyword">true</span> }
    <span class="ruby-ivar">@visitor</span> = <span class="ruby-constant">Arel</span><span class="ruby-operator">::</span><span class="ruby-constant">Visitors</span><span class="ruby-operator">::</span><span class="ruby-constant">MySQL</span>.<span class="ruby-identifier">new</span> <span class="ruby-keyword">self</span>
  <span class="ruby-keyword">else</span>
    <span class="ruby-ivar">@visitor</span> = <span class="ruby-constant">BindSubstitution</span>.<span class="ruby-identifier">new</span> <span class="ruby-keyword">self</span>
  <span class="ruby-keyword">end</span>
<span class="ruby-keyword">end</span></pre>
          </div><!-- new-source -->
          
        </div>

        

        
      </div><!-- new-method -->

    
    </section><!-- public-class-method-details -->
  
     <section id="public-instance-5Buntitled-5D-method-details" class="method-section section">
      <h3 class="section-header">Public Instance Methods</h3>

    
      <div id="method-i-add_column" class="method-detail ">
        
        <div class="method-heading">
          <span class="method-name">add_column</span><span
            class="method-args">(table_name, column_name, type, options = {})</span>
          <span class="method-click-advice">click to toggle source</span>
        </div>
        

        <div class="method-description">
          
          
          

          
          <div class="method-source-code" id="add_column-source">
            <pre><span class="ruby-comment"># File /usr/local/lib/ruby/gems/1.9.1/gems/activerecord-3.2.7/lib/active_record/connection_adapters/abstract_mysql_adapter.rb, line 460</span>
<span class="ruby-keyword">def</span> <span class="ruby-identifier">add_column</span>(<span class="ruby-identifier">table_name</span>, <span class="ruby-identifier">column_name</span>, <span class="ruby-identifier">type</span>, <span class="ruby-identifier">options</span> = {})
  <span class="ruby-identifier">execute</span>(<span class="ruby-node">&quot;ALTER TABLE #{quote_table_name(table_name)} #{add_column_sql(table_name, column_name, type, options)}&quot;</span>)
<span class="ruby-keyword">end</span></pre>
          </div><!-- add_column-source -->
          
        </div>

        

        
      </div><!-- add_column-method -->

    
      <div id="method-i-add_column_position-21" class="method-detail ">
        
        <div class="method-heading">
          <span class="method-name">add_column_position!</span><span
            class="method-args">(sql, options)</span>
          <span class="method-click-advice">click to toggle source</span>
        </div>
        

        <div class="method-description">
          
          
          

          
          <div class="method-source-code" id="add_column_position-21-source">
            <pre><span class="ruby-comment"># File /usr/local/lib/ruby/gems/1.9.1/gems/activerecord-3.2.7/lib/active_record/connection_adapters/abstract_mysql_adapter.rb, line 512</span>
<span class="ruby-keyword">def</span> <span class="ruby-identifier">add_column_position!</span>(<span class="ruby-identifier">sql</span>, <span class="ruby-identifier">options</span>)
  <span class="ruby-keyword">if</span> <span class="ruby-identifier">options</span>[<span class="ruby-value">:first</span>]
    <span class="ruby-identifier">sql</span> <span class="ruby-operator">&lt;&lt;</span> <span class="ruby-string">&quot; FIRST&quot;</span>
  <span class="ruby-keyword">elsif</span> <span class="ruby-identifier">options</span>[<span class="ruby-value">:after</span>]
    <span class="ruby-identifier">sql</span> <span class="ruby-operator">&lt;&lt;</span> <span class="ruby-node">&quot; AFTER #{quote_column_name(options[:after])}&quot;</span>
  <span class="ruby-keyword">end</span>
<span class="ruby-keyword">end</span></pre>
          </div><!-- add_column_position-21-source -->
          
        </div>

        

        
      </div><!-- add_column_position-21-method -->

    
      <div id="method-i-begin_db_transaction" class="method-detail ">
        
        <div class="method-heading">
          <span class="method-name">begin_db_transaction</span><span
            class="method-args">()</span>
          <span class="method-click-advice">click to toggle source</span>
        </div>
        

        <div class="method-description">
          
          
          

          
          <div class="method-source-code" id="begin_db_transaction-source">
            <pre><span class="ruby-comment"># File /usr/local/lib/ruby/gems/1.9.1/gems/activerecord-3.2.7/lib/active_record/connection_adapters/abstract_mysql_adapter.rb, line 267</span>
<span class="ruby-keyword">def</span> <span class="ruby-identifier">begin_db_transaction</span>
  <span class="ruby-identifier">execute</span> <span class="ruby-string">&quot;BEGIN&quot;</span>
<span class="ruby-keyword">rescue</span> <span class="ruby-constant">Exception</span>
  <span class="ruby-comment"># Transactions aren't supported</span>
<span class="ruby-keyword">end</span></pre>
          </div><!-- begin_db_transaction-source -->
          
        </div>

        

        
      </div><!-- begin_db_transaction-method -->

    
      <div id="method-i-case_insensitive_comparison" class="method-detail ">
        
        <div class="method-heading">
          <span class="method-name">case_insensitive_comparison</span><span
            class="method-args">(table, attribute, column, value)</span>
          <span class="method-click-advice">click to toggle source</span>
        </div>
        

        <div class="method-description">
          
          
          

          
          <div class="method-source-code" id="case_insensitive_comparison-source">
            <pre><span class="ruby-comment"># File /usr/local/lib/ruby/gems/1.9.1/gems/activerecord-3.2.7/lib/active_record/connection_adapters/abstract_mysql_adapter.rb, line 549</span>
<span class="ruby-keyword">def</span> <span class="ruby-identifier">case_insensitive_comparison</span>(<span class="ruby-identifier">table</span>, <span class="ruby-identifier">attribute</span>, <span class="ruby-identifier">column</span>, <span class="ruby-identifier">value</span>)
  <span class="ruby-keyword">if</span> <span class="ruby-identifier">column</span>.<span class="ruby-identifier">case_sensitive?</span>
    <span class="ruby-keyword">super</span>
  <span class="ruby-keyword">else</span>
    <span class="ruby-identifier">table</span>[<span class="ruby-identifier">attribute</span>].<span class="ruby-identifier">eq</span>(<span class="ruby-identifier">value</span>)
  <span class="ruby-keyword">end</span>
<span class="ruby-keyword">end</span></pre>
          </div><!-- case_insensitive_comparison-source -->
          
        </div>

        

        
      </div><!-- case_insensitive_comparison-method -->

    
      <div id="method-i-case_sensitive_modifier" class="method-detail ">
        
        <div class="method-heading">
          <span class="method-name">case_sensitive_modifier</span><span
            class="method-args">(node)</span>
          <span class="method-click-advice">click to toggle source</span>
        </div>
        

        <div class="method-description">
          
          
          

          
          <div class="method-source-code" id="case_sensitive_modifier-source">
            <pre><span class="ruby-comment"># File /usr/local/lib/ruby/gems/1.9.1/gems/activerecord-3.2.7/lib/active_record/connection_adapters/abstract_mysql_adapter.rb, line 545</span>
<span class="ruby-keyword">def</span> <span class="ruby-identifier">case_sensitive_modifier</span>(<span class="ruby-identifier">node</span>)
  <span class="ruby-constant">Arel</span><span class="ruby-operator">::</span><span class="ruby-constant">Nodes</span><span class="ruby-operator">::</span><span class="ruby-constant">Bin</span>.<span class="ruby-identifier">new</span>(<span class="ruby-identifier">node</span>)
<span class="ruby-keyword">end</span></pre>
          </div><!-- case_sensitive_modifier-source -->
          
        </div>

        

        
      </div><!-- case_sensitive_modifier-method -->

    
      <div id="method-i-change_column_default" class="method-detail ">
        
        <div class="method-heading">
          <span class="method-name">change_column_default</span><span
            class="method-args">(table_name, column_name, default)</span>
          <span class="method-click-advice">click to toggle source</span>
        </div>
        

        <div class="method-description">
          
          
          

          
          <div class="method-source-code" id="change_column_default-source">
            <pre><span class="ruby-comment"># File /usr/local/lib/ruby/gems/1.9.1/gems/activerecord-3.2.7/lib/active_record/connection_adapters/abstract_mysql_adapter.rb, line 464</span>
<span class="ruby-keyword">def</span> <span class="ruby-identifier">change_column_default</span>(<span class="ruby-identifier">table_name</span>, <span class="ruby-identifier">column_name</span>, <span class="ruby-identifier">default</span>)
  <span class="ruby-identifier">column</span> = <span class="ruby-identifier">column_for</span>(<span class="ruby-identifier">table_name</span>, <span class="ruby-identifier">column_name</span>)
  <span class="ruby-identifier">change_column</span> <span class="ruby-identifier">table_name</span>, <span class="ruby-identifier">column_name</span>, <span class="ruby-identifier">column</span>.<span class="ruby-identifier">sql_type</span>, <span class="ruby-value">:default</span> =<span class="ruby-operator">&gt;</span> <span class="ruby-identifier">default</span>
<span class="ruby-keyword">end</span></pre>
          </div><!-- change_column_default-source -->
          
        </div>

        

        
      </div><!-- change_column_default-method -->

    
      <div id="method-i-change_column_null" class="method-detail ">
        
        <div class="method-heading">
          <span class="method-name">change_column_null</span><span
            class="method-args">(table_name, column_name, null, default = nil)</span>
          <span class="method-click-advice">click to toggle source</span>
        </div>
        

        <div class="method-description">
          
          
          

          
          <div class="method-source-code" id="change_column_null-source">
            <pre><span class="ruby-comment"># File /usr/local/lib/ruby/gems/1.9.1/gems/activerecord-3.2.7/lib/active_record/connection_adapters/abstract_mysql_adapter.rb, line 469</span>
<span class="ruby-keyword">def</span> <span class="ruby-identifier">change_column_null</span>(<span class="ruby-identifier">table_name</span>, <span class="ruby-identifier">column_name</span>, <span class="ruby-identifier">null</span>, <span class="ruby-identifier">default</span> = <span class="ruby-keyword">nil</span>)
  <span class="ruby-identifier">column</span> = <span class="ruby-identifier">column_for</span>(<span class="ruby-identifier">table_name</span>, <span class="ruby-identifier">column_name</span>)

  <span class="ruby-keyword">unless</span> <span class="ruby-identifier">null</span> <span class="ruby-operator">||</span> <span class="ruby-identifier">default</span>.<span class="ruby-identifier">nil?</span>
    <span class="ruby-identifier">execute</span>(<span class="ruby-node">&quot;UPDATE #{quote_table_name(table_name)} SET #{quote_column_name(column_name)}=#{quote(default)} WHERE #{quote_column_name(column_name)} IS NULL&quot;</span>)
  <span class="ruby-keyword">end</span>

  <span class="ruby-identifier">change_column</span> <span class="ruby-identifier">table_name</span>, <span class="ruby-identifier">column_name</span>, <span class="ruby-identifier">column</span>.<span class="ruby-identifier">sql_type</span>, <span class="ruby-value">:null</span> =<span class="ruby-operator">&gt;</span> <span class="ruby-identifier">null</span>
<span class="ruby-keyword">end</span></pre>
          </div><!-- change_column_null-source -->
          
        </div>

        

        
      </div><!-- change_column_null-method -->

    
      <div id="method-i-charset" class="method-detail ">
        
        <div class="method-heading">
          <span class="method-name">charset</span><span
            class="method-args">()</span>
          <span class="method-click-advice">click to toggle source</span>
        </div>
        

        <div class="method-description">
          
          <p>Returns the database character set.</p>
          

          
          <div class="method-source-code" id="charset-source">
            <pre><span class="ruby-comment"># File /usr/local/lib/ruby/gems/1.9.1/gems/activerecord-3.2.7/lib/active_record/connection_adapters/abstract_mysql_adapter.rb, line 369</span>
<span class="ruby-keyword">def</span> <span class="ruby-identifier">charset</span>
  <span class="ruby-identifier">show_variable</span> <span class="ruby-string">'character_set_database'</span>
<span class="ruby-keyword">end</span></pre>
          </div><!-- charset-source -->
          
        </div>

        

        
      </div><!-- charset-method -->

    
      <div id="method-i-collation" class="method-detail ">
        
        <div class="method-heading">
          <span class="method-name">collation</span><span
            class="method-args">()</span>
          <span class="method-click-advice">click to toggle source</span>
        </div>
        

        <div class="method-description">
          
          <p>Returns the database collation strategy.</p>
          

          
          <div class="method-source-code" id="collation-source">
            <pre><span class="ruby-comment"># File /usr/local/lib/ruby/gems/1.9.1/gems/activerecord-3.2.7/lib/active_record/connection_adapters/abstract_mysql_adapter.rb, line 374</span>
<span class="ruby-keyword">def</span> <span class="ruby-identifier">collation</span>
  <span class="ruby-identifier">show_variable</span> <span class="ruby-string">'collation_database'</span>
<span class="ruby-keyword">end</span></pre>
          </div><!-- collation-source -->
          
        </div>

        

        
      </div><!-- collation-method -->

    
      <div id="method-i-create_database" class="method-detail ">
        
        <div class="method-heading">
          <span class="method-name">create_database</span><span
            class="method-args">(name, options = {})</span>
          <span class="method-click-advice">click to toggle source</span>
        </div>
        

        <div class="method-description">
          
          <p>Create a new MySQL database with optional <code>:charset</code> and
<code>:collation</code>. Charset defaults to utf8.</p>

<p>Example:</p>

<pre class="ruby"><span class="ruby-identifier">create_database</span> <span class="ruby-string">'charset_test'</span>, :<span class="ruby-identifier">charset</span> =<span class="ruby-operator">&gt;</span> <span class="ruby-string">'latin1'</span>, :<span class="ruby-identifier">collation</span> =<span class="ruby-operator">&gt;</span> <span class="ruby-string">'latin1_bin'</span>
<span class="ruby-identifier">create_database</span> <span class="ruby-string">'matt_development'</span>
<span class="ruby-identifier">create_database</span> <span class="ruby-string">'matt_development'</span>, :<span class="ruby-identifier">charset</span> =<span class="ruby-operator">&gt;</span> :<span class="ruby-identifier">big5</span>
</pre>
          

          
          <div class="method-source-code" id="create_database-source">
            <pre><span class="ruby-comment"># File /usr/local/lib/ruby/gems/1.9.1/gems/activerecord-3.2.7/lib/active_record/connection_adapters/abstract_mysql_adapter.rb, line 348</span>
<span class="ruby-keyword">def</span> <span class="ruby-identifier">create_database</span>(<span class="ruby-identifier">name</span>, <span class="ruby-identifier">options</span> = {})
  <span class="ruby-keyword">if</span> <span class="ruby-identifier">options</span>[<span class="ruby-value">:collation</span>]
    <span class="ruby-identifier">execute</span> <span class="ruby-node">&quot;CREATE DATABASE `#{name}` DEFAULT CHARACTER SET `#{options[:charset] || 'utf8'}` COLLATE `#{options[:collation]}`&quot;</span>
  <span class="ruby-keyword">else</span>
    <span class="ruby-identifier">execute</span> <span class="ruby-node">&quot;CREATE DATABASE `#{name}` DEFAULT CHARACTER SET `#{options[:charset] || 'utf8'}`&quot;</span>
  <span class="ruby-keyword">end</span>
<span class="ruby-keyword">end</span></pre>
          </div><!-- create_database-source -->
          
        </div>

        

        
      </div><!-- create_database-method -->

    
      <div id="method-i-create_savepoint" class="method-detail ">
        
        <div class="method-heading">
          <span class="method-name">create_savepoint</span><span
            class="method-args">()</span>
          <span class="method-click-advice">click to toggle source</span>
        </div>
        

        <div class="method-description">
          
          
          

          
          <div class="method-source-code" id="create_savepoint-source">
            <pre><span class="ruby-comment"># File /usr/local/lib/ruby/gems/1.9.1/gems/activerecord-3.2.7/lib/active_record/connection_adapters/abstract_mysql_adapter.rb, line 285</span>
<span class="ruby-keyword">def</span> <span class="ruby-identifier">create_savepoint</span>
  <span class="ruby-identifier">execute</span>(<span class="ruby-node">&quot;SAVEPOINT #{current_savepoint_name}&quot;</span>)
<span class="ruby-keyword">end</span></pre>
          </div><!-- create_savepoint-source -->
          
        </div>

        

        
      </div><!-- create_savepoint-method -->

    
      <div id="method-i-current_database" class="method-detail ">
        
        <div class="method-heading">
          <span class="method-name">current_database</span><span
            class="method-args">()</span>
          <span class="method-click-advice">click to toggle source</span>
        </div>
        

        <div class="method-description">
          
          
          

          
          <div class="method-source-code" id="current_database-source">
            <pre><span class="ruby-comment"># File /usr/local/lib/ruby/gems/1.9.1/gems/activerecord-3.2.7/lib/active_record/connection_adapters/abstract_mysql_adapter.rb, line 364</span>
<span class="ruby-keyword">def</span> <span class="ruby-identifier">current_database</span>
  <span class="ruby-identifier">select_value</span> <span class="ruby-string">'SELECT DATABASE() as db'</span>
<span class="ruby-keyword">end</span></pre>
          </div><!-- current_database-source -->
          
        </div>

        

        
      </div><!-- current_database-method -->

    
      <div id="method-i-execute" class="method-detail ">
        
        <div class="method-heading">
          <span class="method-name">execute</span><span
            class="method-args">(sql, name = nil)</span>
          <span class="method-click-advice">click to toggle source</span>
        </div>
        

        <div class="method-description">
          
          <p>Executes the SQL statement in the context of this connection.</p>
          

          
          <div class="method-source-code" id="execute-source">
            <pre><span class="ruby-comment"># File /usr/local/lib/ruby/gems/1.9.1/gems/activerecord-3.2.7/lib/active_record/connection_adapters/abstract_mysql_adapter.rb, line 241</span>
<span class="ruby-keyword">def</span> <span class="ruby-identifier">execute</span>(<span class="ruby-identifier">sql</span>, <span class="ruby-identifier">name</span> = <span class="ruby-keyword">nil</span>)
  <span class="ruby-keyword">if</span> <span class="ruby-identifier">name</span> <span class="ruby-operator">==</span> <span class="ruby-value">:skip_logging</span>
    <span class="ruby-ivar">@connection</span>.<span class="ruby-identifier">query</span>(<span class="ruby-identifier">sql</span>)
  <span class="ruby-keyword">else</span>
    <span class="ruby-identifier">log</span>(<span class="ruby-identifier">sql</span>, <span class="ruby-identifier">name</span>) { <span class="ruby-ivar">@connection</span>.<span class="ruby-identifier">query</span>(<span class="ruby-identifier">sql</span>) }
  <span class="ruby-keyword">end</span>
<span class="ruby-keyword">rescue</span> <span class="ruby-constant">ActiveRecord</span><span class="ruby-operator">::</span><span class="ruby-constant">StatementInvalid</span> =<span class="ruby-operator">&gt;</span> <span class="ruby-identifier">exception</span>
  <span class="ruby-keyword">if</span> <span class="ruby-identifier">exception</span>.<span class="ruby-identifier">message</span>.<span class="ruby-identifier">split</span>(<span class="ruby-string">&quot;:&quot;</span>).<span class="ruby-identifier">first</span> <span class="ruby-operator">=~</span> <span class="ruby-regexp">%rPackets out of order/</span>
    <span class="ruby-identifier">raise</span> <span class="ruby-constant">ActiveRecord</span><span class="ruby-operator">::</span><span class="ruby-constant">StatementInvalid</span>, <span class="ruby-string">&quot;'Packets out of order' error was received from the database. Please update your mysql bindings (gem install mysql) and read http://dev.mysql.com/doc/mysql/en/password-hashing.html for more information. If you're on Windows, use the Instant Rails installer to get the updated mysql bindings.&quot;</span>
  <span class="ruby-keyword">else</span>
    <span class="ruby-identifier">raise</span>
  <span class="ruby-keyword">end</span>
<span class="ruby-keyword">end</span></pre>
          </div><!-- execute-source -->
          
        </div>

        

        
      </div><!-- execute-method -->

    
      <div id="method-i-limited_update_conditions" class="method-detail ">
        
        <div class="method-heading">
          <span class="method-name">limited_update_conditions</span><span
            class="method-args">(where_sql, quoted_table_name, quoted_primary_key)</span>
          <span class="method-click-advice">click to toggle source</span>
        </div>
        

        <div class="method-description">
          
          
          

          
          <div class="method-source-code" id="limited_update_conditions-source">
            <pre><span class="ruby-comment"># File /usr/local/lib/ruby/gems/1.9.1/gems/activerecord-3.2.7/lib/active_record/connection_adapters/abstract_mysql_adapter.rb, line 557</span>
<span class="ruby-keyword">def</span> <span class="ruby-identifier">limited_update_conditions</span>(<span class="ruby-identifier">where_sql</span>, <span class="ruby-identifier">quoted_table_name</span>, <span class="ruby-identifier">quoted_primary_key</span>)
  <span class="ruby-identifier">where_sql</span>
<span class="ruby-keyword">end</span></pre>
          </div><!-- limited_update_conditions-source -->
          
        </div>

        

        
      </div><!-- limited_update_conditions-method -->

    
      <div id="method-i-native_database_types" class="method-detail ">
        
        <div class="method-heading">
          <span class="method-name">native_database_types</span><span
            class="method-args">()</span>
          <span class="method-click-advice">click to toggle source</span>
        </div>
        

        <div class="method-description">
          
          
          

          
          <div class="method-source-code" id="native_database_types-source">
            <pre><span class="ruby-comment"># File /usr/local/lib/ruby/gems/1.9.1/gems/activerecord-3.2.7/lib/active_record/connection_adapters/abstract_mysql_adapter.rb, line 173</span>
<span class="ruby-keyword">def</span> <span class="ruby-identifier">native_database_types</span>
  <span class="ruby-constant">NATIVE_DATABASE_TYPES</span>
<span class="ruby-keyword">end</span></pre>
          </div><!-- native_database_types-source -->
          
        </div>

        

        
      </div><!-- native_database_types-method -->

    
      <div id="method-i-pk_and_sequence_for" class="method-detail ">
        
        <div class="method-heading">
          <span class="method-name">pk_and_sequence_for</span><span
            class="method-args">(table)</span>
          <span class="method-click-advice">click to toggle source</span>
        </div>
        

        <div class="method-description">
          
          <p>Returns a table’s primary key and belonging sequence.</p>
          

          
          <div class="method-source-code" id="pk_and_sequence_for-source">
            <pre><span class="ruby-comment"># File /usr/local/lib/ruby/gems/1.9.1/gems/activerecord-3.2.7/lib/active_record/connection_adapters/abstract_mysql_adapter.rb, line 527</span>
<span class="ruby-keyword">def</span> <span class="ruby-identifier">pk_and_sequence_for</span>(<span class="ruby-identifier">table</span>)
  <span class="ruby-identifier">execute_and_free</span>(<span class="ruby-node">&quot;SHOW CREATE TABLE #{quote_table_name(table)}&quot;</span>, <span class="ruby-string">'SCHEMA'</span>) <span class="ruby-keyword">do</span> <span class="ruby-operator">|</span><span class="ruby-identifier">result</span><span class="ruby-operator">|</span>
    <span class="ruby-identifier">create_table</span> = <span class="ruby-identifier">each_hash</span>(<span class="ruby-identifier">result</span>).<span class="ruby-identifier">first</span>[<span class="ruby-value">:&quot;Create Table&quot;</span>]
    <span class="ruby-keyword">if</span> <span class="ruby-identifier">create_table</span>.<span class="ruby-identifier">to_s</span> <span class="ruby-operator">=~</span> <span class="ruby-regexp">%rPRIMARY KEY\s+(?:USING\s+\w+\s+)?\((.+)\)/</span>
      <span class="ruby-identifier">keys</span> = <span class="ruby-node">$1</span>.<span class="ruby-identifier">split</span>(<span class="ruby-string">&quot;,&quot;</span>).<span class="ruby-identifier">map</span> { <span class="ruby-operator">|</span><span class="ruby-identifier">key</span><span class="ruby-operator">|</span> <span class="ruby-identifier">key</span>.<span class="ruby-identifier">gsub</span>(<span class="ruby-regexp">%r[`&quot;]/</span>, <span class="ruby-string">&quot;&quot;</span>) }
      <span class="ruby-identifier">keys</span>.<span class="ruby-identifier">length</span> <span class="ruby-operator">==</span> <span class="ruby-value">1</span> <span class="ruby-operator">?</span> [<span class="ruby-identifier">keys</span>.<span class="ruby-identifier">first</span>, <span class="ruby-keyword">nil</span>] <span class="ruby-operator">:</span> <span class="ruby-keyword">nil</span>
    <span class="ruby-keyword">else</span>
      <span class="ruby-keyword">nil</span>
    <span class="ruby-keyword">end</span>
  <span class="ruby-keyword">end</span>
<span class="ruby-keyword">end</span></pre>
          </div><!-- pk_and_sequence_for-source -->
          
        </div>

        

        
      </div><!-- pk_and_sequence_for-method -->

    
      <div id="method-i-primary_key" class="method-detail ">
        
        <div class="method-heading">
          <span class="method-name">primary_key</span><span
            class="method-args">(table)</span>
          <span class="method-click-advice">click to toggle source</span>
        </div>
        

        <div class="method-description">
          
          <p>Returns just a table’s primary key</p>
          

          
          <div class="method-source-code" id="primary_key-source">
            <pre><span class="ruby-comment"># File /usr/local/lib/ruby/gems/1.9.1/gems/activerecord-3.2.7/lib/active_record/connection_adapters/abstract_mysql_adapter.rb, line 540</span>
<span class="ruby-keyword">def</span> <span class="ruby-identifier">primary_key</span>(<span class="ruby-identifier">table</span>)
  <span class="ruby-identifier">pk_and_sequence</span> = <span class="ruby-identifier">pk_and_sequence_for</span>(<span class="ruby-identifier">table</span>)
  <span class="ruby-identifier">pk_and_sequence</span> <span class="ruby-operator">&amp;&amp;</span> <span class="ruby-identifier">pk_and_sequence</span>.<span class="ruby-identifier">first</span>
<span class="ruby-keyword">end</span></pre>
          </div><!-- primary_key-source -->
          
        </div>

        

        
      </div><!-- primary_key-method -->

    
      <div id="method-i-quote" class="method-detail ">
        
        <div class="method-heading">
          <span class="method-name">quote</span><span
            class="method-args">(value, column = nil)</span>
          <span class="method-click-advice">click to toggle source</span>
        </div>
        

        <div class="method-description">
          
          <p>QUOTING ==================================================</p>
          

          
          <div class="method-source-code" id="quote-source">
            <pre><span class="ruby-comment"># File /usr/local/lib/ruby/gems/1.9.1/gems/activerecord-3.2.7/lib/active_record/connection_adapters/abstract_mysql_adapter.rb, line 198</span>
<span class="ruby-keyword">def</span> <span class="ruby-identifier">quote</span>(<span class="ruby-identifier">value</span>, <span class="ruby-identifier">column</span> = <span class="ruby-keyword">nil</span>)
  <span class="ruby-keyword">if</span> <span class="ruby-identifier">value</span>.<span class="ruby-identifier">kind_of?</span>(<span class="ruby-constant">String</span>) <span class="ruby-operator">&amp;&amp;</span> <span class="ruby-identifier">column</span> <span class="ruby-operator">&amp;&amp;</span> <span class="ruby-identifier">column</span>.<span class="ruby-identifier">type</span> <span class="ruby-operator">==</span> <span class="ruby-value">:binary</span> <span class="ruby-operator">&amp;&amp;</span> <span class="ruby-identifier">column</span>.<span class="ruby-identifier">class</span>.<span class="ruby-identifier">respond_to?</span>(<span class="ruby-value">:string_to_binary</span>)
    <span class="ruby-identifier">s</span> = <span class="ruby-identifier">column</span>.<span class="ruby-identifier">class</span>.<span class="ruby-identifier">string_to_binary</span>(<span class="ruby-identifier">value</span>).<span class="ruby-identifier">unpack</span>(<span class="ruby-string">&quot;H*&quot;</span>)[<span class="ruby-value">0</span>]
    <span class="ruby-node">&quot;x'#{s}'&quot;</span>
  <span class="ruby-keyword">elsif</span> <span class="ruby-identifier">value</span>.<span class="ruby-identifier">kind_of?</span>(<span class="ruby-constant">BigDecimal</span>)
    <span class="ruby-identifier">value</span>.<span class="ruby-identifier">to_s</span>(<span class="ruby-string">&quot;F&quot;</span>)
  <span class="ruby-keyword">else</span>
    <span class="ruby-keyword">super</span>
  <span class="ruby-keyword">end</span>
<span class="ruby-keyword">end</span></pre>
          </div><!-- quote-source -->
          
        </div>

        

        
      </div><!-- quote-method -->

    
      <div id="method-i-quoted_false" class="method-detail ">
        
        <div class="method-heading">
          <span class="method-name">quoted_false</span><span
            class="method-args">()</span>
          <span class="method-click-advice">click to toggle source</span>
        </div>
        

        <div class="method-description">
          
          
          

          
          <div class="method-source-code" id="quoted_false-source">
            <pre><span class="ruby-comment"># File /usr/local/lib/ruby/gems/1.9.1/gems/activerecord-3.2.7/lib/active_record/connection_adapters/abstract_mysql_adapter.rb, line 221</span>
<span class="ruby-keyword">def</span> <span class="ruby-identifier">quoted_false</span>
  <span class="ruby-constant">QUOTED_FALSE</span>
<span class="ruby-keyword">end</span></pre>
          </div><!-- quoted_false-source -->
          
        </div>

        

        
      </div><!-- quoted_false-method -->

    
      <div id="method-i-quoted_true" class="method-detail ">
        
        <div class="method-heading">
          <span class="method-name">quoted_true</span><span
            class="method-args">()</span>
          <span class="method-click-advice">click to toggle source</span>
        </div>
        

        <div class="method-description">
          
          
          

          
          <div class="method-source-code" id="quoted_true-source">
            <pre><span class="ruby-comment"># File /usr/local/lib/ruby/gems/1.9.1/gems/activerecord-3.2.7/lib/active_record/connection_adapters/abstract_mysql_adapter.rb, line 217</span>
<span class="ruby-keyword">def</span> <span class="ruby-identifier">quoted_true</span>
  <span class="ruby-constant">QUOTED_TRUE</span>
<span class="ruby-keyword">end</span></pre>
          </div><!-- quoted_true-source -->
          
        </div>

        

        
      </div><!-- quoted_true-method -->

    
      <div id="method-i-recreate_database" class="method-detail ">
        
        <div class="method-heading">
          <span class="method-name">recreate_database</span><span
            class="method-args">(name, options = {})</span>
          <span class="method-click-advice">click to toggle source</span>
        </div>
        

        <div class="method-description">
          
          <p>Drops the database specified on the <code>name</code> attribute and creates
it again using the provided <code>options</code>.</p>
          

          
          <div class="method-source-code" id="recreate_database-source">
            <pre><span class="ruby-comment"># File /usr/local/lib/ruby/gems/1.9.1/gems/activerecord-3.2.7/lib/active_record/connection_adapters/abstract_mysql_adapter.rb, line 336</span>
<span class="ruby-keyword">def</span> <span class="ruby-identifier">recreate_database</span>(<span class="ruby-identifier">name</span>, <span class="ruby-identifier">options</span> = {})
  <span class="ruby-identifier">drop_database</span>(<span class="ruby-identifier">name</span>)
  <span class="ruby-identifier">create_database</span>(<span class="ruby-identifier">name</span>, <span class="ruby-identifier">options</span>)
<span class="ruby-keyword">end</span></pre>
          </div><!-- recreate_database-source -->
          
        </div>

        

        
      </div><!-- recreate_database-method -->

    
      <div id="method-i-release_savepoint" class="method-detail ">
        
        <div class="method-heading">
          <span class="method-name">release_savepoint</span><span
            class="method-args">()</span>
          <span class="method-click-advice">click to toggle source</span>
        </div>
        

        <div class="method-description">
          
          
          

          
          <div class="method-source-code" id="release_savepoint-source">
            <pre><span class="ruby-comment"># File /usr/local/lib/ruby/gems/1.9.1/gems/activerecord-3.2.7/lib/active_record/connection_adapters/abstract_mysql_adapter.rb, line 293</span>
<span class="ruby-keyword">def</span> <span class="ruby-identifier">release_savepoint</span>
  <span class="ruby-identifier">execute</span>(<span class="ruby-node">&quot;RELEASE SAVEPOINT #{current_savepoint_name}&quot;</span>)
<span class="ruby-keyword">end</span></pre>
          </div><!-- release_savepoint-source -->
          
        </div>

        

        
      </div><!-- release_savepoint-method -->

    
      <div id="method-i-rename_table" class="method-detail ">
        
        <div class="method-heading">
          <span class="method-name">rename_table</span><span
            class="method-args">(table_name, new_name)</span>
          <span class="method-click-advice">click to toggle source</span>
        </div>
        

        <div class="method-description">
          
          <p>Renames a table.</p>

<p>Example:</p>

<pre>rename_table('octopuses', 'octopi')</pre>
          

          
          <div class="method-source-code" id="rename_table-source">
            <pre><span class="ruby-comment"># File /usr/local/lib/ruby/gems/1.9.1/gems/activerecord-3.2.7/lib/active_record/connection_adapters/abstract_mysql_adapter.rb, line 456</span>
<span class="ruby-keyword">def</span> <span class="ruby-identifier">rename_table</span>(<span class="ruby-identifier">table_name</span>, <span class="ruby-identifier">new_name</span>)
  <span class="ruby-identifier">execute</span> <span class="ruby-node">&quot;RENAME TABLE #{quote_table_name(table_name)} TO #{quote_table_name(new_name)}&quot;</span>
<span class="ruby-keyword">end</span></pre>
          </div><!-- rename_table-source -->
          
        </div>

        

        
      </div><!-- rename_table-method -->

    
      <div id="method-i-rollback_to_savepoint" class="method-detail ">
        
        <div class="method-heading">
          <span class="method-name">rollback_to_savepoint</span><span
            class="method-args">()</span>
          <span class="method-click-advice">click to toggle source</span>
        </div>
        

        <div class="method-description">
          
          
          

          
          <div class="method-source-code" id="rollback_to_savepoint-source">
            <pre><span class="ruby-comment"># File /usr/local/lib/ruby/gems/1.9.1/gems/activerecord-3.2.7/lib/active_record/connection_adapters/abstract_mysql_adapter.rb, line 289</span>
<span class="ruby-keyword">def</span> <span class="ruby-identifier">rollback_to_savepoint</span>
  <span class="ruby-identifier">execute</span>(<span class="ruby-node">&quot;ROLLBACK TO SAVEPOINT #{current_savepoint_name}&quot;</span>)
<span class="ruby-keyword">end</span></pre>
          </div><!-- rollback_to_savepoint-source -->
          
        </div>

        

        
      </div><!-- rollback_to_savepoint-method -->

    
      <div id="method-i-show_variable" class="method-detail ">
        
        <div class="method-heading">
          <span class="method-name">show_variable</span><span
            class="method-args">(name)</span>
          <span class="method-click-advice">click to toggle source</span>
        </div>
        

        <div class="method-description">
          
          <p>SHOW VARIABLES LIKE ‘name’</p>
          

          
          <div class="method-source-code" id="show_variable-source">
            <pre><span class="ruby-comment"># File /usr/local/lib/ruby/gems/1.9.1/gems/activerecord-3.2.7/lib/active_record/connection_adapters/abstract_mysql_adapter.rb, line 521</span>
<span class="ruby-keyword">def</span> <span class="ruby-identifier">show_variable</span>(<span class="ruby-identifier">name</span>)
  <span class="ruby-identifier">variables</span> = <span class="ruby-identifier">select_all</span>(<span class="ruby-node">&quot;SHOW VARIABLES LIKE '#{name}'&quot;</span>)
  <span class="ruby-identifier">variables</span>.<span class="ruby-identifier">first</span>[<span class="ruby-string">'Value'</span>] <span class="ruby-keyword">unless</span> <span class="ruby-identifier">variables</span>.<span class="ruby-identifier">empty?</span>
<span class="ruby-keyword">end</span></pre>
          </div><!-- show_variable-source -->
          
        </div>

        

        
      </div><!-- show_variable-method -->

    
      <div id="method-i-supports_index_sort_order-3F" class="method-detail ">
        
        <div class="method-heading">
          <span class="method-name">supports_index_sort_order?</span><span
            class="method-args">()</span>
          <span class="method-click-advice">click to toggle source</span>
        </div>
        

        <div class="method-description">
          
          <p>Technically MySQL allows to create indexes with the sort order syntax but
at the moment (5.5) it doesn’t yet implement them</p>
          

          
          <div class="method-source-code" id="supports_index_sort_order-3F-source">
            <pre><span class="ruby-comment"># File /usr/local/lib/ruby/gems/1.9.1/gems/activerecord-3.2.7/lib/active_record/connection_adapters/abstract_mysql_adapter.rb, line 169</span>
<span class="ruby-keyword">def</span> <span class="ruby-identifier">supports_index_sort_order?</span>
  <span class="ruby-keyword">true</span>
<span class="ruby-keyword">end</span></pre>
          </div><!-- supports_index_sort_order-3F-source -->
          
        </div>

        

        
      </div><!-- supports_index_sort_order-3F-method -->

    
      <div id="method-i-supports_migrations-3F" class="method-detail ">
        
        <div class="method-heading">
          <span class="method-name">supports_migrations?</span><span
            class="method-args">()</span>
          <span class="method-click-advice">click to toggle source</span>
        </div>
        

        <div class="method-description">
          
          <p>Returns true, since this connection adapter supports migrations.</p>
          

          
          <div class="method-source-code" id="supports_migrations-3F-source">
            <pre><span class="ruby-comment"># File /usr/local/lib/ruby/gems/1.9.1/gems/activerecord-3.2.7/lib/active_record/connection_adapters/abstract_mysql_adapter.rb, line 150</span>
<span class="ruby-keyword">def</span> <span class="ruby-identifier">supports_migrations?</span>
  <span class="ruby-keyword">true</span>
<span class="ruby-keyword">end</span></pre>
          </div><!-- supports_migrations-3F-source -->
          
        </div>

        

        
      </div><!-- supports_migrations-3F-method -->

    
      <div id="method-i-supports_primary_key-3F" class="method-detail ">
        
        <div class="method-heading">
          <span class="method-name">supports_primary_key?</span><span
            class="method-args">()</span>
          <span class="method-click-advice">click to toggle source</span>
        </div>
        

        <div class="method-description">
          
          
          

          
          <div class="method-source-code" id="supports_primary_key-3F-source">
            <pre><span class="ruby-comment"># File /usr/local/lib/ruby/gems/1.9.1/gems/activerecord-3.2.7/lib/active_record/connection_adapters/abstract_mysql_adapter.rb, line 154</span>
<span class="ruby-keyword">def</span> <span class="ruby-identifier">supports_primary_key?</span>
  <span class="ruby-keyword">true</span>
<span class="ruby-keyword">end</span></pre>
          </div><!-- supports_primary_key-3F-source -->
          
        </div>

        

        
      </div><!-- supports_primary_key-3F-method -->

    
      <div id="method-i-supports_savepoints-3F" class="method-detail ">
        
        <div class="method-heading">
          <span class="method-name">supports_savepoints?</span><span
            class="method-args">()</span>
          <span class="method-click-advice">click to toggle source</span>
        </div>
        

        <div class="method-description">
          
          <p>Returns true, since this connection adapter supports savepoints.</p>
          

          
          <div class="method-source-code" id="supports_savepoints-3F-source">
            <pre><span class="ruby-comment"># File /usr/local/lib/ruby/gems/1.9.1/gems/activerecord-3.2.7/lib/active_record/connection_adapters/abstract_mysql_adapter.rb, line 159</span>
<span class="ruby-keyword">def</span> <span class="ruby-identifier">supports_savepoints?</span>
  <span class="ruby-keyword">true</span>
<span class="ruby-keyword">end</span></pre>
          </div><!-- supports_savepoints-3F-source -->
          
        </div>

        

        
      </div><!-- supports_savepoints-3F-method -->

    
      <div id="method-i-table_exists-3F" class="method-detail ">
        
        <div class="method-heading">
          <span class="method-name">table_exists?</span><span
            class="method-args">(name)</span>
          <span class="method-click-advice">click to toggle source</span>
        </div>
        

        <div class="method-description">
          
          
          

          
          <div class="method-source-code" id="table_exists-3F-source">
            <pre><span class="ruby-comment"># File /usr/local/lib/ruby/gems/1.9.1/gems/activerecord-3.2.7/lib/active_record/connection_adapters/abstract_mysql_adapter.rb, line 388</span>
<span class="ruby-keyword">def</span> <span class="ruby-identifier">table_exists?</span>(<span class="ruby-identifier">name</span>)
  <span class="ruby-keyword">return</span> <span class="ruby-keyword">false</span> <span class="ruby-keyword">unless</span> <span class="ruby-identifier">name</span>
  <span class="ruby-keyword">return</span> <span class="ruby-keyword">true</span> <span class="ruby-keyword">if</span> <span class="ruby-identifier">tables</span>(<span class="ruby-keyword">nil</span>, <span class="ruby-keyword">nil</span>, <span class="ruby-identifier">name</span>).<span class="ruby-identifier">any?</span>

  <span class="ruby-identifier">name</span>          = <span class="ruby-identifier">name</span>.<span class="ruby-identifier">to_s</span>
  <span class="ruby-identifier">schema</span>, <span class="ruby-identifier">table</span> = <span class="ruby-identifier">name</span>.<span class="ruby-identifier">split</span>(<span class="ruby-string">'.'</span>, <span class="ruby-value">2</span>)

  <span class="ruby-keyword">unless</span> <span class="ruby-identifier">table</span> <span class="ruby-comment"># A table was provided without a schema</span>
    <span class="ruby-identifier">table</span>  = <span class="ruby-identifier">schema</span>
    <span class="ruby-identifier">schema</span> = <span class="ruby-keyword">nil</span>
  <span class="ruby-keyword">end</span>

  <span class="ruby-identifier">tables</span>(<span class="ruby-keyword">nil</span>, <span class="ruby-identifier">schema</span>, <span class="ruby-identifier">table</span>).<span class="ruby-identifier">any?</span>
<span class="ruby-keyword">end</span></pre>
          </div><!-- table_exists-3F-source -->
          
        </div>

        

        
      </div><!-- table_exists-3F-method -->

    
      <div id="method-i-type_to_sql" class="method-detail ">
        
        <div class="method-heading">
          <span class="method-name">type_to_sql</span><span
            class="method-args">(type, limit = nil, precision = nil, scale = nil)</span>
          <span class="method-click-advice">click to toggle source</span>
        </div>
        

        <div class="method-description">
          
          <p>Maps logical <a href="../../Rails.html">Rails</a> types to MySQL-specific
data types.</p>
          

          
          <div class="method-source-code" id="type_to_sql-source">
            <pre><span class="ruby-comment"># File /usr/local/lib/ruby/gems/1.9.1/gems/activerecord-3.2.7/lib/active_record/connection_adapters/abstract_mysql_adapter.rb, line 488</span>
<span class="ruby-keyword">def</span> <span class="ruby-identifier">type_to_sql</span>(<span class="ruby-identifier">type</span>, <span class="ruby-identifier">limit</span> = <span class="ruby-keyword">nil</span>, <span class="ruby-identifier">precision</span> = <span class="ruby-keyword">nil</span>, <span class="ruby-identifier">scale</span> = <span class="ruby-keyword">nil</span>)
  <span class="ruby-keyword">case</span> <span class="ruby-identifier">type</span>.<span class="ruby-identifier">to_s</span>
  <span class="ruby-keyword">when</span> <span class="ruby-string">'integer'</span>
    <span class="ruby-keyword">case</span> <span class="ruby-identifier">limit</span>
    <span class="ruby-keyword">when</span> <span class="ruby-value">1</span>; <span class="ruby-string">'tinyint'</span>
    <span class="ruby-keyword">when</span> <span class="ruby-value">2</span>; <span class="ruby-string">'smallint'</span>
    <span class="ruby-keyword">when</span> <span class="ruby-value">3</span>; <span class="ruby-string">'mediumint'</span>
    <span class="ruby-keyword">when</span> <span class="ruby-keyword">nil</span>, <span class="ruby-value">4</span>, <span class="ruby-value">11</span>; <span class="ruby-string">'int(11)'</span>  <span class="ruby-comment"># compatibility with MySQL default</span>
    <span class="ruby-keyword">when</span> <span class="ruby-value">5</span><span class="ruby-operator">..</span><span class="ruby-value">8</span>; <span class="ruby-string">'bigint'</span>
    <span class="ruby-keyword">else</span> <span class="ruby-identifier">raise</span>(<span class="ruby-constant">ActiveRecordError</span>, <span class="ruby-node">&quot;No integer type has byte size #{limit}&quot;</span>)
    <span class="ruby-keyword">end</span>
  <span class="ruby-keyword">when</span> <span class="ruby-string">'text'</span>
    <span class="ruby-keyword">case</span> <span class="ruby-identifier">limit</span>
    <span class="ruby-keyword">when</span> <span class="ruby-value">0</span><span class="ruby-operator">..</span><span class="ruby-value">0xff</span>;               <span class="ruby-string">'tinytext'</span>
    <span class="ruby-keyword">when</span> <span class="ruby-keyword">nil</span>, <span class="ruby-value">0x100</span><span class="ruby-operator">..</span><span class="ruby-value">0xffff</span>;    <span class="ruby-string">'text'</span>
    <span class="ruby-keyword">when</span> <span class="ruby-value">0x10000</span><span class="ruby-operator">..</span><span class="ruby-value">0xffffff</span>;     <span class="ruby-string">'mediumtext'</span>
    <span class="ruby-keyword">when</span> <span class="ruby-value">0x1000000</span><span class="ruby-operator">..</span><span class="ruby-value">0xffffffff</span>; <span class="ruby-string">'longtext'</span>
    <span class="ruby-keyword">else</span> <span class="ruby-identifier">raise</span>(<span class="ruby-constant">ActiveRecordError</span>, <span class="ruby-node">&quot;No text type has character length #{limit}&quot;</span>)
    <span class="ruby-keyword">end</span>
  <span class="ruby-keyword">else</span>
    <span class="ruby-keyword">super</span>
  <span class="ruby-keyword">end</span>
<span class="ruby-keyword">end</span></pre>
          </div><!-- type_to_sql-source -->
          
        </div>

        

        
      </div><!-- type_to_sql-method -->

    
    </section><!-- public-instance-method-details -->
  
     <section id="protected-instance-5Buntitled-5D-method-details" class="method-section section">
      <h3 class="section-header">Protected Instance Methods</h3>

    
      <div id="method-i-add_column_sql" class="method-detail ">
        
        <div class="method-heading">
          <span class="method-name">add_column_sql</span><span
            class="method-args">(table_name, column_name, type, options = {})</span>
          <span class="method-click-advice">click to toggle source</span>
        </div>
        

        <div class="method-description">
          
          
          

          
          <div class="method-source-code" id="add_column_sql-source">
            <pre><span class="ruby-comment"># File /usr/local/lib/ruby/gems/1.9.1/gems/activerecord-3.2.7/lib/active_record/connection_adapters/abstract_mysql_adapter.rb, line 599</span>
<span class="ruby-keyword">def</span> <span class="ruby-identifier">add_column_sql</span>(<span class="ruby-identifier">table_name</span>, <span class="ruby-identifier">column_name</span>, <span class="ruby-identifier">type</span>, <span class="ruby-identifier">options</span> = {})
  <span class="ruby-identifier">add_column_sql</span> = <span class="ruby-node">&quot;ADD #{quote_column_name(column_name)} #{type_to_sql(type, options[:limit], options[:precision], options[:scale])}&quot;</span>
  <span class="ruby-identifier">add_column_options!</span>(<span class="ruby-identifier">add_column_sql</span>, <span class="ruby-identifier">options</span>)
  <span class="ruby-identifier">add_column_position!</span>(<span class="ruby-identifier">add_column_sql</span>, <span class="ruby-identifier">options</span>)
  <span class="ruby-identifier">add_column_sql</span>
<span class="ruby-keyword">end</span></pre>
          </div><!-- add_column_sql-source -->
          
        </div>

        

        
      </div><!-- add_column_sql-method -->

    
      <div id="method-i-add_index_length" class="method-detail ">
        
        <div class="method-heading">
          <span class="method-name">add_index_length</span><span
            class="method-args">(option_strings, column_names, options = {})</span>
          <span class="method-click-advice">click to toggle source</span>
        </div>
        

        <div class="method-description">
          
          
          

          
          <div class="method-source-code" id="add_index_length-source">
            <pre><span class="ruby-comment"># File /usr/local/lib/ruby/gems/1.9.1/gems/activerecord-3.2.7/lib/active_record/connection_adapters/abstract_mysql_adapter.rb, line 563</span>
<span class="ruby-keyword">def</span> <span class="ruby-identifier">add_index_length</span>(<span class="ruby-identifier">option_strings</span>, <span class="ruby-identifier">column_names</span>, <span class="ruby-identifier">options</span> = {})
  <span class="ruby-keyword">if</span> <span class="ruby-identifier">options</span>.<span class="ruby-identifier">is_a?</span>(<span class="ruby-constant">Hash</span>) <span class="ruby-operator">&amp;&amp;</span> <span class="ruby-identifier">length</span> = <span class="ruby-identifier">options</span>[<span class="ruby-value">:length</span>]
    <span class="ruby-keyword">case</span> <span class="ruby-identifier">length</span>
    <span class="ruby-keyword">when</span> <span class="ruby-constant">Hash</span>
      <span class="ruby-identifier">column_names</span>.<span class="ruby-identifier">each</span> {<span class="ruby-operator">|</span><span class="ruby-identifier">name</span><span class="ruby-operator">|</span> <span class="ruby-identifier">option_strings</span>[<span class="ruby-identifier">name</span>] <span class="ruby-operator">+=</span> <span class="ruby-node">&quot;(#{length[name]})&quot;</span> <span class="ruby-keyword">if</span> <span class="ruby-identifier">length</span>.<span class="ruby-identifier">has_key?</span>(<span class="ruby-identifier">name</span>) <span class="ruby-operator">&amp;&amp;</span> <span class="ruby-identifier">length</span>[<span class="ruby-identifier">name</span>].<span class="ruby-identifier">present?</span>}
    <span class="ruby-keyword">when</span> <span class="ruby-constant">Fixnum</span>
      <span class="ruby-identifier">column_names</span>.<span class="ruby-identifier">each</span> {<span class="ruby-operator">|</span><span class="ruby-identifier">name</span><span class="ruby-operator">|</span> <span class="ruby-identifier">option_strings</span>[<span class="ruby-identifier">name</span>] <span class="ruby-operator">+=</span> <span class="ruby-node">&quot;(#{length})&quot;</span>}
    <span class="ruby-keyword">end</span>
  <span class="ruby-keyword">end</span>

  <span class="ruby-keyword">return</span> <span class="ruby-identifier">option_strings</span>
<span class="ruby-keyword">end</span></pre>
          </div><!-- add_index_length-source -->
          
        </div>

        

        
      </div><!-- add_index_length-method -->

    
      <div id="method-i-add_index_sql" class="method-detail ">
        
        <div class="method-heading">
          <span class="method-name">add_index_sql</span><span
            class="method-args">(table_name, column_name, options = {})</span>
          <span class="method-click-advice">click to toggle source</span>
        </div>
        

        <div class="method-description">
          
          
          

          
          <div class="method-source-code" id="add_index_sql-source">
            <pre><span class="ruby-comment"># File /usr/local/lib/ruby/gems/1.9.1/gems/activerecord-3.2.7/lib/active_record/connection_adapters/abstract_mysql_adapter.rb, line 644</span>
<span class="ruby-keyword">def</span> <span class="ruby-identifier">add_index_sql</span>(<span class="ruby-identifier">table_name</span>, <span class="ruby-identifier">column_name</span>, <span class="ruby-identifier">options</span> = {})
  <span class="ruby-identifier">index_name</span>, <span class="ruby-identifier">index_type</span>, <span class="ruby-identifier">index_columns</span> = <span class="ruby-identifier">add_index_options</span>(<span class="ruby-identifier">table_name</span>, <span class="ruby-identifier">column_name</span>, <span class="ruby-identifier">options</span>)
  <span class="ruby-node">&quot;ADD #{index_type} INDEX #{index_name} (#{index_columns})&quot;</span>
<span class="ruby-keyword">end</span></pre>
          </div><!-- add_index_sql-source -->
          
        </div>

        

        
      </div><!-- add_index_sql-method -->

    
      <div id="method-i-add_timestamps_sql" class="method-detail ">
        
        <div class="method-heading">
          <span class="method-name">add_timestamps_sql</span><span
            class="method-args">(table_name)</span>
          <span class="method-click-advice">click to toggle source</span>
        </div>
        

        <div class="method-description">
          
          
          

          
          <div class="method-source-code" id="add_timestamps_sql-source">
            <pre><span class="ruby-comment"># File /usr/local/lib/ruby/gems/1.9.1/gems/activerecord-3.2.7/lib/active_record/connection_adapters/abstract_mysql_adapter.rb, line 654</span>
<span class="ruby-keyword">def</span> <span class="ruby-identifier">add_timestamps_sql</span>(<span class="ruby-identifier">table_name</span>)
  [<span class="ruby-identifier">add_column_sql</span>(<span class="ruby-identifier">table_name</span>, <span class="ruby-value">:created_at</span>, <span class="ruby-value">:datetime</span>), <span class="ruby-identifier">add_column_sql</span>(<span class="ruby-identifier">table_name</span>, <span class="ruby-value">:updated_at</span>, <span class="ruby-value">:datetime</span>)]
<span class="ruby-keyword">end</span></pre>
          </div><!-- add_timestamps_sql-source -->
          
        </div>

        

        
      </div><!-- add_timestamps_sql-method -->

    
      <div id="method-i-change_column_sql" class="method-detail ">
        
        <div class="method-heading">
          <span class="method-name">change_column_sql</span><span
            class="method-args">(table_name, column_name, type, options = {})</span>
          <span class="method-click-advice">click to toggle source</span>
        </div>
        

        <div class="method-description">
          
          
          

          
          <div class="method-source-code" id="change_column_sql-source">
            <pre><span class="ruby-comment"># File /usr/local/lib/ruby/gems/1.9.1/gems/activerecord-3.2.7/lib/active_record/connection_adapters/abstract_mysql_adapter.rb, line 606</span>
<span class="ruby-keyword">def</span> <span class="ruby-identifier">change_column_sql</span>(<span class="ruby-identifier">table_name</span>, <span class="ruby-identifier">column_name</span>, <span class="ruby-identifier">type</span>, <span class="ruby-identifier">options</span> = {})
  <span class="ruby-identifier">column</span> = <span class="ruby-identifier">column_for</span>(<span class="ruby-identifier">table_name</span>, <span class="ruby-identifier">column_name</span>)

  <span class="ruby-keyword">unless</span> <span class="ruby-identifier">options_include_default?</span>(<span class="ruby-identifier">options</span>)
    <span class="ruby-identifier">options</span>[<span class="ruby-value">:default</span>] = <span class="ruby-identifier">column</span>.<span class="ruby-identifier">default</span>
  <span class="ruby-keyword">end</span>

  <span class="ruby-keyword">unless</span> <span class="ruby-identifier">options</span>.<span class="ruby-identifier">has_key?</span>(<span class="ruby-value">:null</span>)
    <span class="ruby-identifier">options</span>[<span class="ruby-value">:null</span>] = <span class="ruby-identifier">column</span>.<span class="ruby-identifier">null</span>
  <span class="ruby-keyword">end</span>

  <span class="ruby-identifier">change_column_sql</span> = <span class="ruby-node">&quot;CHANGE #{quote_column_name(column_name)} #{quote_column_name(column_name)} #{type_to_sql(type, options[:limit], options[:precision], options[:scale])}&quot;</span>
  <span class="ruby-identifier">add_column_options!</span>(<span class="ruby-identifier">change_column_sql</span>, <span class="ruby-identifier">options</span>)
  <span class="ruby-identifier">add_column_position!</span>(<span class="ruby-identifier">change_column_sql</span>, <span class="ruby-identifier">options</span>)
  <span class="ruby-identifier">change_column_sql</span>
<span class="ruby-keyword">end</span></pre>
          </div><!-- change_column_sql-source -->
          
        </div>

        

        
      </div><!-- change_column_sql-method -->

    
      <div id="method-i-quoted_columns_for_index" class="method-detail ">
        
        <div class="method-heading">
          <span class="method-name">quoted_columns_for_index</span><span
            class="method-args">(column_names, options = {})</span>
          <span class="method-click-advice">click to toggle source</span>
        </div>
        

        <div class="method-description">
          
          
          

          
          <div class="method-source-code" id="quoted_columns_for_index-source">
            <pre><span class="ruby-comment"># File /usr/local/lib/ruby/gems/1.9.1/gems/activerecord-3.2.7/lib/active_record/connection_adapters/abstract_mysql_adapter.rb, line 576</span>
<span class="ruby-keyword">def</span> <span class="ruby-identifier">quoted_columns_for_index</span>(<span class="ruby-identifier">column_names</span>, <span class="ruby-identifier">options</span> = {})
  <span class="ruby-identifier">option_strings</span> = <span class="ruby-constant">Hash</span>[<span class="ruby-identifier">column_names</span>.<span class="ruby-identifier">map</span> {<span class="ruby-operator">|</span><span class="ruby-identifier">name</span><span class="ruby-operator">|</span> [<span class="ruby-identifier">name</span>, <span class="ruby-string">''</span>]}]

  <span class="ruby-comment"># add index length</span>
  <span class="ruby-identifier">option_strings</span> = <span class="ruby-identifier">add_index_length</span>(<span class="ruby-identifier">option_strings</span>, <span class="ruby-identifier">column_names</span>, <span class="ruby-identifier">options</span>)

  <span class="ruby-comment"># add index sort order</span>
  <span class="ruby-identifier">option_strings</span> = <span class="ruby-identifier">add_index_sort_order</span>(<span class="ruby-identifier">option_strings</span>, <span class="ruby-identifier">column_names</span>, <span class="ruby-identifier">options</span>)

  <span class="ruby-identifier">column_names</span>.<span class="ruby-identifier">map</span> {<span class="ruby-operator">|</span><span class="ruby-identifier">name</span><span class="ruby-operator">|</span> <span class="ruby-identifier">quote_column_name</span>(<span class="ruby-identifier">name</span>) <span class="ruby-operator">+</span> <span class="ruby-identifier">option_strings</span>[<span class="ruby-identifier">name</span>]}
<span class="ruby-keyword">end</span></pre>
          </div><!-- quoted_columns_for_index-source -->
          
        </div>

        

        
      </div><!-- quoted_columns_for_index-method -->

    
      <div id="method-i-remove_column_sql" class="method-detail ">
        
        <div class="method-heading">
          <span class="method-name">remove_column_sql</span><span
            class="method-args">(table_name, *column_names)</span>
          <span class="method-click-advice">click to toggle source</span>
        </div>
        

        <div class="method-description">
          
          
          

          
          <div class="method-source-code" id="remove_column_sql-source">
            <pre><span class="ruby-comment"># File /usr/local/lib/ruby/gems/1.9.1/gems/activerecord-3.2.7/lib/active_record/connection_adapters/abstract_mysql_adapter.rb, line 639</span>
<span class="ruby-keyword">def</span> <span class="ruby-identifier">remove_column_sql</span>(<span class="ruby-identifier">table_name</span>, *<span class="ruby-identifier">column_names</span>)
  <span class="ruby-identifier">columns_for_remove</span>(<span class="ruby-identifier">table_name</span>, *<span class="ruby-identifier">column_names</span>).<span class="ruby-identifier">map</span> {<span class="ruby-operator">|</span><span class="ruby-identifier">column_name</span><span class="ruby-operator">|</span> <span class="ruby-node">&quot;DROP #{column_name}&quot;</span> }
<span class="ruby-keyword">end</span></pre>
          </div><!-- remove_column_sql-source -->
          
        </div>

        

        
      </div><!-- remove_column_sql-method -->

    
      <div id="method-i-remove_index_sql" class="method-detail ">
        
        <div class="method-heading">
          <span class="method-name">remove_index_sql</span><span
            class="method-args">(table_name, options = {})</span>
          <span class="method-click-advice">click to toggle source</span>
        </div>
        

        <div class="method-description">
          
          
          

          
          <div class="method-source-code" id="remove_index_sql-source">
            <pre><span class="ruby-comment"># File /usr/local/lib/ruby/gems/1.9.1/gems/activerecord-3.2.7/lib/active_record/connection_adapters/abstract_mysql_adapter.rb, line 649</span>
<span class="ruby-keyword">def</span> <span class="ruby-identifier">remove_index_sql</span>(<span class="ruby-identifier">table_name</span>, <span class="ruby-identifier">options</span> = {})
  <span class="ruby-identifier">index_name</span> = <span class="ruby-identifier">index_name_for_remove</span>(<span class="ruby-identifier">table_name</span>, <span class="ruby-identifier">options</span>)
  <span class="ruby-node">&quot;DROP INDEX #{index_name}&quot;</span>
<span class="ruby-keyword">end</span></pre>
          </div><!-- remove_index_sql-source -->
          
        </div>

        

        
      </div><!-- remove_index_sql-method -->

    
      <div id="method-i-remove_timestamps_sql" class="method-detail ">
        
        <div class="method-heading">
          <span class="method-name">remove_timestamps_sql</span><span
            class="method-args">(table_name)</span>
          <span class="method-click-advice">click to toggle source</span>
        </div>
        

        <div class="method-description">
          
          
          

          
          <div class="method-source-code" id="remove_timestamps_sql-source">
            <pre><span class="ruby-comment"># File /usr/local/lib/ruby/gems/1.9.1/gems/activerecord-3.2.7/lib/active_record/connection_adapters/abstract_mysql_adapter.rb, line 658</span>
<span class="ruby-keyword">def</span> <span class="ruby-identifier">remove_timestamps_sql</span>(<span class="ruby-identifier">table_name</span>)
  [<span class="ruby-identifier">remove_column_sql</span>(<span class="ruby-identifier">table_name</span>, <span class="ruby-value">:updated_at</span>), <span class="ruby-identifier">remove_column_sql</span>(<span class="ruby-identifier">table_name</span>, <span class="ruby-value">:created_at</span>)]
<span class="ruby-keyword">end</span></pre>
          </div><!-- remove_timestamps_sql-source -->
          
        </div>

        

        
      </div><!-- remove_timestamps_sql-method -->

    
      <div id="method-i-rename_column_sql" class="method-detail ">
        
        <div class="method-heading">
          <span class="method-name">rename_column_sql</span><span
            class="method-args">(table_name, column_name, new_column_name)</span>
          <span class="method-click-advice">click to toggle source</span>
        </div>
        

        <div class="method-description">
          
          
          

          
          <div class="method-source-code" id="rename_column_sql-source">
            <pre><span class="ruby-comment"># File /usr/local/lib/ruby/gems/1.9.1/gems/activerecord-3.2.7/lib/active_record/connection_adapters/abstract_mysql_adapter.rb, line 623</span>
<span class="ruby-keyword">def</span> <span class="ruby-identifier">rename_column_sql</span>(<span class="ruby-identifier">table_name</span>, <span class="ruby-identifier">column_name</span>, <span class="ruby-identifier">new_column_name</span>)
  <span class="ruby-identifier">options</span> = {}

  <span class="ruby-keyword">if</span> <span class="ruby-identifier">column</span> = <span class="ruby-identifier">columns</span>(<span class="ruby-identifier">table_name</span>).<span class="ruby-identifier">find</span> { <span class="ruby-operator">|</span><span class="ruby-identifier">c</span><span class="ruby-operator">|</span> <span class="ruby-identifier">c</span>.<span class="ruby-identifier">name</span> <span class="ruby-operator">==</span> <span class="ruby-identifier">column_name</span>.<span class="ruby-identifier">to_s</span> }
    <span class="ruby-identifier">options</span>[<span class="ruby-value">:default</span>] = <span class="ruby-identifier">column</span>.<span class="ruby-identifier">default</span>
    <span class="ruby-identifier">options</span>[<span class="ruby-value">:null</span>] = <span class="ruby-identifier">column</span>.<span class="ruby-identifier">null</span>
  <span class="ruby-keyword">else</span>
    <span class="ruby-identifier">raise</span> <span class="ruby-constant">ActiveRecordError</span>, <span class="ruby-node">&quot;No such column: #{table_name}.#{column_name}&quot;</span>
  <span class="ruby-keyword">end</span>

  <span class="ruby-identifier">current_type</span> = <span class="ruby-identifier">select_one</span>(<span class="ruby-node">&quot;SHOW COLUMNS FROM #{quote_table_name(table_name)} LIKE '#{column_name}'&quot;</span>)[<span class="ruby-string">&quot;Type&quot;</span>]
  <span class="ruby-identifier">rename_column_sql</span> = <span class="ruby-node">&quot;CHANGE #{quote_column_name(column_name)} #{quote_column_name(new_column_name)} #{current_type}&quot;</span>
  <span class="ruby-identifier">add_column_options!</span>(<span class="ruby-identifier">rename_column_sql</span>, <span class="ruby-identifier">options</span>)
  <span class="ruby-identifier">rename_column_sql</span>
<span class="ruby-keyword">end</span></pre>
          </div><!-- rename_column_sql-source -->
          
        </div>

        

        
      </div><!-- rename_column_sql-method -->

    
      <div id="method-i-translate_exception" class="method-detail ">
        
        <div class="method-heading">
          <span class="method-name">translate_exception</span><span
            class="method-args">(exception, message)</span>
          <span class="method-click-advice">click to toggle source</span>
        </div>
        

        <div class="method-description">
          
          
          

          
          <div class="method-source-code" id="translate_exception-source">
            <pre><span class="ruby-comment"># File /usr/local/lib/ruby/gems/1.9.1/gems/activerecord-3.2.7/lib/active_record/connection_adapters/abstract_mysql_adapter.rb, line 588</span>
<span class="ruby-keyword">def</span> <span class="ruby-identifier">translate_exception</span>(<span class="ruby-identifier">exception</span>, <span class="ruby-identifier">message</span>)
  <span class="ruby-keyword">case</span> <span class="ruby-identifier">error_number</span>(<span class="ruby-identifier">exception</span>)
  <span class="ruby-keyword">when</span> <span class="ruby-value">1062</span>
    <span class="ruby-constant">RecordNotUnique</span>.<span class="ruby-identifier">new</span>(<span class="ruby-identifier">message</span>, <span class="ruby-identifier">exception</span>)
  <span class="ruby-keyword">when</span> <span class="ruby-value">1452</span>
    <span class="ruby-constant">InvalidForeignKey</span>.<span class="ruby-identifier">new</span>(<span class="ruby-identifier">message</span>, <span class="ruby-identifier">exception</span>)
  <span class="ruby-keyword">else</span>
    <span class="ruby-keyword">super</span>
  <span class="ruby-keyword">end</span>
<span class="ruby-keyword">end</span></pre>
          </div><!-- translate_exception-source -->
          
        </div>

        

        
      </div><!-- translate_exception-method -->

    
    </section><!-- protected-instance-method-details -->
  
  </section><!-- 5Buntitled-5D -->

</div><!-- documentation -->


<footer id="validator-badges">
  <p><a href="http://validator.w3.org/check/referer">[Validate]</a>
  <p>Generated by <a href="https://github.com/rdoc/rdoc">RDoc</a> 3.12.
  <p>Generated with the <a href="http://deveiate.org/projects/Darkfish-Rdoc/">Darkfish Rdoc Generator</a> 3.
</footer>

